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Karbon

Lebewesen die in der Erdgeschichte im Karbon gelebt haben.

Abactinocrinus

Feistmantelia ornata

Peripetoceras globatoides

Abactinocrinus devonicus

Fellerites

Peripetoceras kummeli

Abatocrinus

Fenestella

Peripetoceras ozarkense

Abrotocrinus

Fenestella anodosa

Peripetoceras tormentum

Abylea

Fenestella bendensis

Peripristis

Abylea minuta

Fenestella cincta

Peripristis semicircularis

Acaciapora

Fenestella cystica

Perissocrinus

Acambona

Fenestella granularis

Perissocrinus papillatus

Acandylacanthus

Fenestella kosomensis

Perittodus

Acanthatia

Fenestella macleayensis

Perittodus apsconditus

Acanthatia rangariensis

Fenestella malchii

Permophorus

Acantherpestes

Fenestella micropora

Permophorus arcus

Acantherpestes foveolatus

Fenestella mimica

Permophorus oblongus

Acantherpestes gigas

Fenestella oklahomensis

Permophorus octocostatus

Acantherpestes inequalis

Fenestella osbornei

Permophorus subcostatus

Acantherpestes major

Fenestella plebeja

Permophorus tropidophorus

Acantherpestes ornatus

Fenestella polyporata

Pernopecten

Acantherpestes vicinus

Fenestella rectangularis

Pernopecten attenuatus

Acanthocladia

Fenestella roucheli

Pernopecten ohioensis

Acanthocladia ouachitensis

Fenestella serratula

Pernopecten prosseri

Acanthoclema

Fenestella swaini

Peromaptera

Acanthocosta

Fenestella yarrolensis

Peromaptera filholi

Acanthocrania

Fenesteverta

Perotrilites

Acanthodes

Fenestralia

Persia praecox

Acanthodes guizhouensis

Fenestrellina

Peruvispira

Acanthodes nitidus

Fenestrellina apurimacana

Peruvispira boreala

Acanthonautilus

Fenestrellina nodograciosa

Peruvispira delicata

Acanthopecten

Fenestrellina salebrosa

Peruvispira deornata

Acanthopecten bellosum

Ferganispira

Peruvispira sueroi

Acanthopecten carboniferous

Ferganispira acteonina

Petalaxis

Acanthopecten carboniferus

Ferganispira gradussiformis

Petalaxis baculatus

Acanthopecten jaguelensis

Ferganites

Petalaxis beauchampi

Acanthopecten meeki

Ferganites obesus

Petalaxis crassicolumnus

Acanthophyllum

Ferganoceras

Petalaxis ellesmerensis

Acanthoplecta

Ferganoceras constrictum

Petalaxis elyensis

Acanthoplecta inopinata

Ferganoceras elegans

Petalaxis multilamellatus

Acanthorhachis

Ferganoceras gracile

Petalaxis parvus

Acanthorhachis spinatus

Ferganoceras torridum

Petalaxis thorsteinssoni

Acanthoscapha

Ferganoproductus

Petalodus

Acanthoscapha blumenstengeli

Fernglenia

Petalodus acuminatus

Acanthoscapha takacsae

Fifeocrinus

Petalodus allegheniensis

Acanthospirina

Filites

Petalodus arcuatus

Acanthotriletes

Fimbriaria miniformis

Petalodus davisii

Acbastaucrinus

Fimbrinia

Petalodus flabellula

Acbastaucrinus affectatus

Fissidentalium

Petalodus hastingsiae

Acherontiscus

Fissidentalium longistriatum

Petalodus hastingsii

Acherontiscus caledoniae

Fissispongia

Petalodus jewetti

Achistrum

Fissispongia jacksboroensis

Petalodus linearis

Achistrum (Achistrum) brownwoodensis

Fissodus

Petalodus ohioensis

Achistrum coloculum

Fissodus dentatus

Petalodus sagittatus

Achistrum frizzelli

Fissodus inaequalis

Petalorhynchus

Achistrum gamma

Fistulamina

Petalorhynchus beargulchensis

Achistrum ludwigi

Fistulamina dispersa

Petalorhynchus psittacinus

Achistrum monochordata

Fistulamina malmoensis

Petrablattina wemmetsweilerensis

Achistrum nicholsoni

Fistulipora

Petrocrania

Achistrum triassicum

Fistulipora compacta

Petrocrania modesta

Acitheca polymorpha

Fistulipora incrustans

Petrodus

Aclisina

Fistulipora megastoma

Petrodus patelliformis

Aclisina (Rhabdospira) selkirkii

Fistulipora minor

Petrolacosaurus

Aclisina golconda

Fistulipora zonata

Petrolacosaurus kansensis

Aclisina striatula

Fistuliramus

Petropegia

Acmaeoblatta

Fistulotrypa

Petropegia radiata

Acmaeoblatta lanceolata

Flabellites latus

Petropegia spinosa

Acoblatta

Flabellofolium

Petrovicia

Acoblatta argillacea

Flectoconularia

Petrovicia proditoria

Acodina

Flemingella

Petschoracrinus

Acondylacanthus

Flemingella nysti

Petschoria

Acondylacanthus attenuatus

Flemingella prisca

Petschoria elegans

Acondylacanthus colei

Flexaria

Peytonoceras

Acondylacanthus distans

Flexifenestella

Phacellopegma

Acondylacanthus nuperus

Flexifenestella foraminosa

Phacellopegma schizoderma

Acondylacanthus tenuistriatus

Flexifenestella grandis

Phacelocrinus

Acosarina monocosta

Florennella

Phacelocrinus brevis

Acratia

Floweria

Phacelocrinus rosei

Acratia schreteri

Floweria chemungensis

Phacoceras

Acratinella

Fluctuaria

Phacoceras electum

Acridites

Fluctuaria undata

Phacoceras semirutum

Acrocanites

Fodinopenna

Phacops

Acrocanites disparilis

Fodinopenna abakanica

Phaenoblastus

Acrocrinus

Foerstia

Phaenoblastus caryophyllatus

Acrocyathus

Foerstia ohioensis

Phaenoschisma

Acrolepis

Foliophycus

Phaenoschisma acutum

Acrolepis hopkinsi

Follotites

Phalangiotarbus

Acrolepis ortholepis

Follotites flexus

Phalangiotarbus subovalis

Acteonina

Follotites folloti

Phaneroceras

Acteonina carbonaria

Follotites stelus

Phaneroceras chesnuti

Acteonina hanseni

Fomichevella

Phaneroceras compressum

Actinoblatta bucheti

Forbesiocrinus

Phaneroceras kesslerense

Actinoceras

Forfexala

Phaneroceras lenticulare

Actinoconchus

Forfexala kiarae

Phanerosteon

Actinoconchus lamellosus

Foriria

Phanerosteon mirabile

Actinoconchus planosulcatus

Foriria maculata

Phanerotinus

Actinocrinites

Forschia

Phanerotinus cristatus

Actinocrinites zhaoae

Forthocrinus

Phanerotinus intermedius

Actinocyathus

Fortscottella

Phanerotinus nudus

Actinodesma

Fortscottella gemmicula

Phanerotinus serpula

Actinodonta

Fouquea

Phanerotrema

Actinomylacris similis

Fouquea lacroixi

Phanocrinus

Actinophrentis

Fouquea needhami

Pharciphyzelus

Actinopteria

Fouquea sauvagei

Pharciphyzelus lacefieldi

Actinostroma

Fouquea superba

Pharkidonotus

Actiobates

Fourstonella

Pharkidonotus acutocarinatus

Actiobates peabodyi

Foveosporites

Pharkidonotus breyeri

Acuminothyris

Fraipontia

Pharkidonotus harrodi

Acutichiton

Fraipontia alatum

Pharkidonotus labioreflexus

Acutichiton pannuceus

Frankenholzia

Pharkidonotus megalius

Acutichiton pyrmidalus

Frankenholzia culmanni

Pharkidonotus percarinatus

Acutimitoceras

Frechella

Phascolophyllaphycus

Acutimitoceras hollardi

Frederichthys

Phascolophyllaphycus lohrensis

Acutimitoceras intermedium

Frederichthys musadentatus

Phauloblatta clathrata

Acutimitoceras mfisense

Friciella

Phenopterum

Acutimitoceras occidentale

Friciella aurea

Phenopterum briggsi

Acutimitoceras posterum

Friedrichsthalia blatteri

Phestia

Acutimitoceras subbilobatum

Frumentella

Phestia corrugata

Adacrinus

Frumentella stewarti

Phestia inflata

Adacrinus edema

Frustulata

Phestia obtusa

Adairia adairensis

Fryopsis

Phestia pandoraeformis

Adamanophyllum

Fuersichnus commerfordi

Phestia rugodorsata

Adamanterpeton

Fulgorina

Phestia wortheni

Adamanterpeton ohioensis

Fulgorina klieveri

Philhedra

Adamantina

Furculosus

Philiasptilon

Adamantina foliacea

Furculosus carpathicus

Philiasptilon maculosum

Adeloblatta

Fusella

Phillibole

Adeloblatta columbiana

Fusella llanoensis

Phillibolina

Adeloblatta gorhami

Fusella mucronata

Philliboloides

Adeloblatta sellardsi

Fusiella

Phillipsia

Adelogyrinus

Fusiella lancetiformis

Phillipsia bittneri

Adelogyrinus simorhynchus

Fusiella praetypica

Phillipsia eichwaldi

Adeloneura

Fusiella quasitexana

Phillipsia grandis

Adeloneura thompsoni

Fusiella typica

Phillipsia harcourtii

Adelophthalmus

Fusulina

Phillipsoceras

Adelophthalmus granosus

Fusulina cylindrica

Phillipsoceras alpharhipaeum

Adelophthalmus imhofi

Fusulinella

Phillipsoceras betarhipaeum

Adelophthalmus luceroensis

Fusulinella (Fusulinella) bocki

Phillipsoceras carinatum

Adelophthalmus piussii

Fusulinella (Fusulinella) colaniae

Phillipsoceras gammarhipaeum

Adelophthalmus zadrai

Fusulinella (Fusulinella) pseudobocki

Phillipsoceras gradile

Adelospondylus

Fusulinella concinna

Phillipsoceras linguatum

Adelospondylus watsoni

Fusulinella devexa

Phillipsoceras remissum

Adenoderma

Fusulinella eopulchra

Phillipsoceras separatum

Adenoderma gracilis

Fusulinella fugafilia

Phiops

Adetognathus

Fusulinella helenae

Phiops aciculorum

Adiantides

Fusulinella juncea

Phlegethontia

Adiantites

Fusulinella nanothompsoni

Phlegethontia linearis

Adiaphtharsia

Fusulinella paradevexa

Phlegethontia longissima

Adiaphtharsia ferrea

Fusulinella rara

Phoberoblatta

Adinocrinus

Fusulinella remissa

Phoberoblatta grandis

Adiphlebia

Fusulinella salutatia

Phoberoblatta reticulata

Adiphlebia lacoana

Fusulinella soligalichi

Phoebodus

Admiranda (foraminifera)

Fusulinella stricta

Phoebodus densneptuni

Admirandopora

Fusulinella texana

Phoebodus knightianus

Adnatoceras

Fusulinella thompsoni

Phoenixites sulcatus

Adnatoceras alaskense

Gacina

Pholadella

Adocetocystis

Galateacrinus

Pholiderpeton

Adolarryia

Galateacrinus coacervatus

Pholiderpeton attheyi

Adolarryia bairdi

Galateacrinus gossameri

Pholiderpeton bretonense

Adolfia

Gallotupus

Pholiderpeton scutigerum

Aechmina

Gallotupus oudardi

Pholidocidaris

Aechminella

Galtopora

Pholidogaster

Aechminella buchanani

Gamizyga

Pholidogaster pisciformis

Aechminella trispinosa

Gamizyga corpulentissima

Phosphannulus

Aedoeophasma

Gamizyga expansa

Phractopora

Aedoeophasma anglica

Gamizyga girtyi

Phragmodictya

Aenigmacaris

Gamizyga morningstarae

Phrenophoria

Aenigmatarbus

Gamizyga nitida

Phricodothyris

Aenigmatarbus rasteli

Gangamophyllum

Phricodothyris asiatica

Aenigmatella

Ganorhynchus

Phricodothyris reticulariformis

Aenigmatella comparabilis

Ganorhynchus oblongus

Phricodothyris septata

Aenigmatoceras

Garwoodia

Phtanomiamia

Aenigmatoceras rhipaeum

Garwoodia gregaria

Phtanomiamia gui

Aenigmatodes

Gastrioceras

Phthanocoris

Aenigmatodes danielsi

Gastrioceras (Lissogastrioceras) adaense

Phthanocoris occidentalis

Aenigmatopsis

Gastrioceras (Lissogastrioceras) fittsi

Phthinomylacris medialis

Aenigmatopsis regularis

Gastrioceras araium

Phthinomylacris pauper

Aerosaurus

Gastrioceras attenuatum

Phylloblatta indecisa

Aerosaurus greenleeorum

Gastrioceras formosum

Phylloporella

Aesiocrinus

Gastrioceras glenisteri

Phyllothecotriletes aggregatus

Aesiocrinus detrusus

Gastrioceras liratum

Phyllothecotriletes belloyensis

Aesopichthys

Gastrioceras magoffinense

Phyloblatta

Aesopichthys erinaceus

Gastrioceras melvillensis

Phyloblatta aliena

Aethophlebia singularis

Gastrioceras montgomeryense

Phyloblatta alutacea

Aetophlebia

Gastrioceras occidentale

Phyloblatta alykaevensis

Aexitrophocrinus

Gastrioceras prone

Phyloblatta amabilis

Affinocrinus

Gastrioceras retiferum

Phyloblatta angustata

Affinocrinus grandis

Gastrochaenolites

Phyloblatta anonyma

Affinocrinus normalis

Gattendorfia

Phyloblatta arealata

Affinocrinus progressus

Gattendorfia (Gattendorfia) bransoni

Phyloblatta bertrandi

Afghanospirifer

Gattendorfia (Gattendorfia) costata

Phyloblatta biramosa

Afghanospirifer burgutschensis

Gattendorfia crassa

Phyloblatta brevicubitalis

Agaeoleptoptera

Gattendorfia jacquelinae

Phyloblatta brongniartula

Agaeoleptoptera uniotempla

Gattenpleura

Phyloblatta carbonica

Aganaster

Gaulocrinus

Phyloblatta chunyensis

Aganaster gregarius

Gegenemene

Phyloblatta curvinervosa

Agaricocrinus

Gegenemene sinuosa

Phyloblatta didierana

Agassizocrinus

Geinitzella

Phyloblatta difficilis

Agassizodus

Geinitzina

Phyloblatta distincta

Agassizodus variabilis

Geisina

Phyloblatta diversipennis

Agathiceras ciscoense

Geisina retiferiformis

Phyloblatta dubia

Agathiceras frechi

Geisonocerina

Phyloblatta fera

Agathocrinus

Gelasinocrinus

Phyloblatta flabellata

Ageleodus

Gelasinocrinus revimentus

Phyloblatta fontanensis

Ageleodus pectinatus

Geminitheca

Phyloblatta fritschiana

Aglaocrinus

Gemmulicosta gjeliensis

Phyloblatta fritschii

Aglaocrinus compactus

Genentomum

Phyloblatta furcatella

Aglaocrinus magnus

Genentomum subacutum

Phyloblatta fusca

Agmoblastus

Genentomum validum

Phyloblatta gaudryi

Agmoblastus caddense

Geniculifera

Phyloblatta geinitzi

Agnesia

Geniculifera brevicula

Phyloblatta germana

Agnesia acuta

Gennaeocrinus

Phyloblatta gimmi

Agnesia prosseri

Genomosperma

Phyloblatta grosjeani

Agnesia reticulata

Genomosperma kidstoni

Phyloblatta henneni

Agniesella wurmi

Genuclymenia keepitensis

Phyloblatta hilliana

Agogoblattina

Georhithronella

Phyloblatta incerta

Agogoblattina occidua

Gephyrostegus

Phyloblatta indistincta

Aipoceras

Gephyrostegus bohemicus

Phyloblatta irregularis

Airtonia

Gephyrostegus watsoni

Phyloblatta jeffersoniana

Akagophyllum neimongolense

Gerablattina

Phyloblatta kansasia

Akagophyllum polygonalis

Geralycosa

Phyloblatta khalfini

Akiyosiphyllum

Geralycosa fritschi

Phyloblatta kuznetskiensis

Akmonistion

Gerapompus

Phyloblatta latebricola

Akmonistion zangerli

Gerapompus blattinoides

Phyloblatta lawrenceana

Aktubites

Gerapompus extensus

Phyloblatta levis

Aktubites trifidus

Gerapompus schucherti

Phyloblatta lineata

Alanstukella

Gerarianus

Phyloblatta majuscula

Alanstukella rossica

Gerarianus commentryanus

Phyloblatta manca

Alanympha

Gerarites

Phyloblatta manebachensis

Alanympha richardsoni

Gerarites commentryi

Phyloblatta martiusana

Alaoceras

Geraroides

Phyloblatta multinervosa

Alaoceras bajtalense

Geraroides maximus

Phyloblatta munda

Alaoceras parvum

Gerarulus

Phyloblatta obscurella

Albaillella

Gerarulus radialis

Phyloblatta obsoleta

Albaillella indensis

Gerarus

Phyloblatta occidentalis

Albaillella paradoxa

Gerarus bruesi

Phyloblatta paulitransversinervis

Albalimulus

Gerarus collaris

Phyloblatta perangusta

Albalimulus bottoni

Gerarus constrictus

Phyloblatta picturata

Alcicornopteris

Gerarus danielsi

Phyloblatta portuensis

Alcicornopteris convoluta

Gerarus fischeri

Phyloblatta prior

Alcimocrinus

Gerarus mazonus

Phyloblatta propinqua

Alethopteris

Gerarus symmetricus

Phyloblatta purkynei

Alethopteris valida

Gerarus teutonicus

Phyloblatta reniformis

Alexahymen

Gerarus vetus

Phyloblatta resitensis

Alexahymen aestatis

Geratarbus

Phyloblatta rosasi

Algites

Geratarbus bohemicus

Phyloblatta savagei

Alinkioduncanella

Geratarbus lacoei

Phyloblatta semiplena

Alispirifer

Gerephemera

Phyloblatta separanda

Alispirifer contractus

Gerephemera simplex

Phyloblatta sibirica

Alispirifer laminosus

Geroneura

Phyloblatta solida

Alisporites

Geroneura ovata

Phyloblatta splendens

Alitaria

Geroneura wilsoni

Phyloblatta stirrupi

Aljutovella

Geropteron

Phyloblatta thieryi

Allagecrinus

Geropteron arcuatum

Phyloblatta transversalis

Allenypterus

Gerronostroma raclaviense

Phyloblatta triangularis

Allenypterus montanus

Gertholites

Phyloblatta undata

Allocatillocrinus

Gertholites haikawai

Phyloblatta wettinensis

Alloiopteris

Gervillia

Phylomylacris

Alloiopteris quercifolia

Gervillia longa

Phylomylacris brevis

Allonema

Geyeronaotia

Phylomylacris chailleti

Alloprosallocrinus

Gibbochonetes

Phylomylacris chavyi

Allorhynchoides

Gibbochonetes poletaevi

Phylomylacris cor

Allorhynchus

Gibbonucula

Phylomylacris fougerollesi

Allorisma

Gigantoproductus

Phylomylacris godoni

Allorisma altirostrata

Gigantoproductus giganteus

Phylomylacris lafittei

Allorisma costatum

Gigantopteris

Phylomylacris lensiana

Allosocrinus

Gigasbia

Phylomylacris lievina

Allosocrinus bronaughi

Gilbertsocrinus

Phylomylacris mantidioides

Allotropiochisma

Gilbertsocrinus intersculptus

Phylomylacris nervosa

Allotropiochisma (Alligia) flabellum

Gilbertsocrinus rarispinus

Phylomylacris parallelus

Allotropiochisma (Allotropiochisma) uddenitense

Gilliodus

Phylomylacris pintrandi

Allotropiophyllum

Gilliodus peyeri

Phylomylacris pruvostiana

Alphachoristites

Gillocystis

Phylomylacris reisbachensis

Alpinoschwagerina nestelli

Gilmocrinus

Phymatopleura

Altadema

Gilsonia

Phymatopleura brazoensis

Altadema altadema

Gilsonia titana

Phymatopleura heteropleura

Altadema convexa

Ginkgophyllum

Phymatopleura nodosa

Altadema lira

Ginkgophytopsis

Physematites

Alternifenestella

Girtya

Physematites charis

Alternifenestella major

Girtya pennsylvanica

Physonemus

Althansia

Girtycoelia

Physonemus arcuatus

Althansia sahneri

Girtycoelia typica

Physonemus asper

Alurites

Girtyella

Physonemus hamuspiscatorius

Alurites asianus

Girtyella cedarensis

Physonemus mirabilis

Alurites costatus

Girtyella sacculus

Physonemus pandatus

Alurites postcostatus

Girtyoceras

Physonemus striatus

Alurites subcarinatus

Girtyoceras glabrum

Physonemus subteres

Alurites ventriplanus

Girtyoceras gordoni

Physospongia

Alveolites

Girtyoceras hamiltonense

Physostoma

Amabilicrinus

Girtyoceras intracostatum

Physostoma elegans

Amabilicrinus bahramensis

Girtyoceras latum

Phytokneme

Amabilicrinus iranensis

Girtyoceras meslerianum

Phytokneme rhodona

Amadeusicrinus

Girtyoceras modestum

Piesbergala

Amadeusicrinus subpentagonalis

Girtyoceras multicameratum

Piesbergala leipnerae

Amandophyllum

Girtyoceras primum

Piesbergbrodia

Amarixys

Girtyoceras waitei

Piesbergbrodia tristrata

Amarixys gracilis

Girtyoceras welleri

Piesbergtupus

Amarixys stellaris

Girtyocoelia

Piesbergtupus hielscheri

Amarixys sulcata

Girtypecten

Pietzschia

Amaurotoma

Girtyspira

Pilasporites

Amaurotoma kljasmensis

Girtyspira canaliculata

Pileochiton

Amaurotoma knighti

Girtyspira fusiformis

Pileospongia

Amaurotoma leavenworthana

Girtyspira germanica

Pileospongia lopados

Amaurotoma subangulatum

Girtyspira inflata

Piloricilla

Amaurotoma subsinuata

Girtyspira microspirula

Pilosisporites

Amazonoproductus

Girtyspira minuta

Piltonia

Amazonoproductus amazonensis

Girtyspira pygmaea

Pindorama

Ambloblatta

Girvanella

Pindorama nordestina

Ambloblatta bassleri

Girvanella problematica

Pinna

Amblymylacris

Gissocrinus

Pinna (Sulcatopinna) missouriensis

Amblymylacris clintoniana

Glabrocingulum

Pinnularia capillacea

Amblymylacris harei

Glabrocingulum (Ananias) seminudum

Pintoceras

Amblypterus stewarti

Glabrocingulum (Ananias) tularosaensis

Pintoceras postvenatum

Amblysiphonella

Glabrocingulum (Ananias) welleri

Pintopinna

Amblysiphonella barroisi

Glabrocingulum (Glabrocingulum) coronulum

Pintopinna martinsnetoi

Amblysiphonella hidensis

Glabrocingulum (Glabrocingulum) glans

Pipadentalium

Amblysiphonella zhaijiangensis

Glabrocingulum (Glabrocingulum) granulosum

Pipadentalium protruberans

Ambocoelia

Glabrocingulum (Glabrocingulum) mephitifontis

Pirasocrinus

Amboneura

Glabrocingulum (Glabrocingulum) parasolum

Pithodea

Amboneura klosei

Glabrocingulum (Glabrocingulum) parvanodum

Pithodea americana

Ambozone

Glabrocingulum (Stenozone) argentinus

Pithodea amplissima

Ambozone peoriensis

Glabrocingulum amotapense

Pithodea suturalis

Ambozone verneuli

Glabrocingulum angulosa

Pithodea tornatilis

Amelacanthus

Glabrocingulum armstrongi

Pitus

Amelacanthus sulcatus

Glabrocingulum atomarium

Pitus antiqua

Ameropiltonia

Glabrocingulum beedei

Pityosporites

Amesopleura novamexicana

Glabrocingulum beggi

Placopterina

Amesopleura texana

Glabrocingulum binodosum

Placopterina ohioensis

Ametretus

Glabrocingulum chesterensis

Plagioblatta

Ametretus laevis

Glabrocingulum ellenae

Plagioblatta campbelli

Ametroblatta

Glabrocingulum globosum

Plagioblatta cockerelli

Ametroblatta strigosa

Glabrocingulum grayvillense

Plagioglypta

Ameura

Glabrocingulum interstrialis

Plagioglypta annulostriata

Ameura missouriensis

Glabrocingulum minutum

Plagioglypta meekiana

Ammobaculites

Glabrocingulum obesum

Plagioglypta numerosa

Ammodiscella

Glabrocingulum pustulum

Plagiozamites planchardii

Ammodiscus

Glabrocingulum quadrigatum

Planalvus

Ammodiscus anceps

Glabrocingulum stellaeformis

Planalvus densa

Ammodiscus incertus

Glabrocingulum wannense

Planalvus gibberosa

Ammonellipsites

Glaphurochiton

Planetoceras

Ammonellipsites asiaticus

Glaphyrites

Planetoceras invenustum

Ammonellipsites clitheroensis

Glaphyrites angulatus

Planetoceras janischevskyi

Ammonellipsites djaprakensis

Glaphyrites anguloumbilicatus

Planetoceras schartimiense

Ammonellipsites princeps

Glaphyrites depressus

Planikeeneia pristina

Ammonellipsites serus

Glaphyrites embolicus

Planisporites

Ammovertella

Glaphyrites excelsus

Planoarchaediscus

Ammovertella inversa

Glaphyrites fayettevillae

Planoendothyra

Amorphoblatta brongniarti

Glaphyrites fornicatus

Planolites montanus

Amousus

Glaphyrites holmesi

Planomartus

Amousus mazonus

Glaphyrites hyattianus

Planomartus krejcii

Ampeliptera

Glaphyrites kansasensis

Planoproductus

Ampeliptera limburgica

Glaphyrites latus

Planorbis

Ampelocrinus

Glaphyrites lineatus

Planospirodiscus

Ampelocrinus convexus

Glaphyrites micromphalus

Platephemera

Amphibamus

Glaphyrites millsi

Platephemera antiqua

Amphibamus grandiceps

Glaphyrites moorei

Platicytes

Amphiboliacridites

Glaphyrites morrowensis

Platicytes lioparadus

Amphiboliacridites joanesi

Glaphyrites multicavus

Platyblatta

Amphicrinus

Glaphyrites nevadensis

Platyblatta propria

Amphipeltis

Glaphyrites pararhymnus

Platyblatta steinbachensis

Amphipeltis paradoxus

Glaphyrites postsolidus

Platyblattina ampla

Amphipsalidocrinus

Glaphyrites raymondi

Platyceras

Amphiscapha

Glaphyrites rhymnus

Platyceras (Orthonychia) compressum

Amphiscapha (Cylicioscapha) texana

Glaphyrites sakmarensis

Platyceras (Orthonychia) ivanovi

Amphiscapha browni

Glaphyrites solidus

Platyceras (Orthonychia) occidens

Amphiscapha calix

Glaphyrites striatus

Platyceras (Platyceras) parasiticum

Amphiscapha catilloides

Glaphyrites submodestus

Platyceras (Platyceras) subelegans

Amphiscapha intermedius

Glaphyrites subplicatus

Platyceras angustum

Amphiscapha marginatus

Glaphyrites sultanaevi

Platyceras encloides

Amphiscapha muricata

Glaphyrites uralensis

Platyceras evolutus

Amphiscapha reedsi

Glaphyrites warei

Platyceras glenparkensis

Amphiscapha subquadrata

Glaphyrites welleri

Platyceras latum

Amphiscapha subrugosa

Glaphyrophlebia

Platyceras munsteriana

Amphissites

Glaphyrophlebia delicatula

Platyceras nasutum

Amphissites bushi

Glaphyrophlebia pusilla

Platyceras oxynotum

Amphissites centronotus

Glaphyrophlebia pygmaea

Platyceras paralium

Amphissites dattonensis

Glaphyrophlebia wettinensis

Platyceras subrotundum

Amphissites marginiferus

Glaukerpeton

Platyceras vetusta

Amphissites miseri

Glaukerpeton avinoffi

Platyclymenia (Platyclymenia) alterna

Amphissites nodosus

Glaukosocrinus

Platyclymenia (Platyclymenia) eurylobica

Amphissites rugosus

Glaukosocrinus berryi

Platyclymenia (Platyclymenia) teicherti

Amphissites wapanuckensis

Gleboceras

Platyconcha crenimarginis

Amphoracrinus

Gleboceras mirandum

Platyconcha dunlopiana

Amplexizaphrentis

Glikmanius

Platyconcha hindi

Amplexizaphrentis illizidensis

Glikmanius occidentalis

Platycrinites

Amplexocarinia

Globacrocrinus

Platycrinites crokeri

Amplexopora

Globiella

Platycrinites testudo

Amplexus

Globiella rossiae

Platyfundocrinus

Amplexus coralloides

Globiella umariensis

Platygoniatites

Amusium

Globivalvulina

Platygoniatites molaris

Amyelon

Globivalvulina bulloides

Platygoniatites nudus

Amyelon radicans

Globobulimorpha

Platygoniatites omniliratus

Amygdalophylloides

Globobulimorpha costata

Platygoniatites rhanemensis

Amygdalophyllum

Globocrinus

Platygoniatites superior

Amynilyspes

Globodoma

Platyhexacrinus

Amynilyspes crescens

Globodoma altavittata

Platymylacris

Amynilyspes fatimae

Globodoma nodosa

Platymylacris paucinervis

Amynilyspes springhillensis

Globodoma ouralica

Platyostoma

Amynilyspes typicus

Globodoma spironema

Platyostomella

Amynilyspes wortheni

Globoendothyra

Platyostomella scotoburdigalensis

Anabathra

Globosochonetes

Platyrachella

Anabathra pulcherrima

Globosoproductus

Platyrhinops

Anachoropteris

Globotetrataxis

Platyrhinops fritschi

Anagesthes

Globozyga

Platyrhinops lyelli

Anagesthes affinis

Globozyga littonana

Platysaccus

Ananias

Globozyga mediocris

Platyschisma

Ananias marcouiana

Globozyga reticulata

Platyschisma barrisi

Ananias nana

Globozyga subcorpulenta

Platyschisma cirroides

Ananias nevadensis

Globozyga tenuistriata

Platyschisma depressa

Ananias nodocostatus

Globusia

Platyschisma helicoides

Ananias talpaensis

Glomeropsis

Platyschisma laudoni

Ananias weyeri

Glomeropsis crassa

Platyschisma lingua

Anapiculatisporites

Glomeropsis magna

Platyschisma ovoidea

Anapiculatisporites rallus

Glomeropsis ovalis

Platyschisma vitrea

Anapiculatisporites variornatus

Glomodiscus

Platysomus

Anarkemina

Glomospira

Platysomus circularis

Anarkemina winsdoriensis

Glomospiranella

Platysomus parvulus

Anatolipora

Glomospirella

Platysomus superbus

Anatolipora carbonica

Glomospiroides

Platysomus swaffordae

Anaxeodesmus

Glossites

Platystegos

Anaxeodesmus diambonotus

Glossodus

Platystegos loricatum

Anchicodium

Glossodus lingusbovis

Platyxystrodus

Anchicrinus

Glossodus marginatus

Platyxystrodus occidentalis

Anchicrinus planulatus

Glossus

Platyxystrodus striatus

Anchicrinus rugosus

Glyphiolobus

Platyzona

Anchineura

Glyphiolobus ardmorensis

Platyzona cirriformis

Anchineura hispanica

Glyphiolobus latisellatus

Platyzona hespera

Anconastes

Glyphiolobus lunula

Platyzona trilineata

Anconastes vesperus

Glyphiolobus marioni

Plaxocrinus

Ancylus

Glyphiolobus reliquus

Plaxocrinus crassidiscus

Anderssonites excessa

Glyphiolobus sholakensis

Plectofusulina

Anebos

Glyphodeta

Plectofusulina amygdala

Anebos phrixos

Glyphodeta terebriformis

Plectogyra

Anegertus

Glyphodeta zonata

Plectogyranopsis

Anegertus cubitalis

Glyptoconcha

Plectonotus hapsideus

Aneimites

Glyptoconcha elegans

Plectophyllum

Aneimites acadica

Glyptopleura

Plectophyllum lowryi

Anematina

Glyptopleura angulata

Plectorhynchonella

Anematina permiana

Glyptopleura inopinata

Plectospira

Anematina proutana

Glyptopleurina

Plectospira problematica

Anematina rockymontanum

Glyptopora

Plectostaffella

Anemetocrinus

Glyptospira

Plectostaffella dualis

Anepitedius

Glyptospira quadriserrata

Plectostaffella jakhensis

Anepitedius giraffa

Glyptotomaria

Plectostaffella lukensis

Angarolaminariopsis

Glyptotomaria apiarium

Pleophrynus

Angarolaminariopsis zinovae

Gnathacanthus

Pleophrynus ensifer

Angioblastus

Gnathacanthus striatus

Pleophrynus hawesi

Angioblastus dotti

Gnathacanthus triangularis

Pleophrynus verrucosus

Angioblastus ellesmerensis

Gnathodus

Plerophyllum

Anglolithoneura

Gnathodus texanus

Plesioidischia

Anglolithoneura magnifica

Gnathorhiza

Plesioselachus

Anglopterum

Gnathorhiza serrata

Plesioselachus macracanthus

Anglopterum magnificum

Gnetopsis

Plesiosiro

Angochitina

Goldenbergia elongata

Plesiosiro madeleyi

Angulodus

Goldenbergia formosa

Pleuracanthus

Anguloserra

Goleocrinus

Pleuracanthus cylindricus

Anguloserra austriaca

Gomphodus

Pleuracanthus levissimus

Anguloserra carinthiaca

Gomphostrobus

Pleuracanthus robustus

Angyomphalus

Gondolella

Pleurocaris

Angyomphalus basicostatus

Gondolella lingulata

Pleurocaris annulatus

Angyomphalus congletonensis

Gondolella merrilli

Pleurocrinus

Angyomphalus depressus

Gondolella sinuata

Pleurodictyum

Angyomphalus excavatus

Gondolella sublanceolata

Pleurodus

Angyomphalus lens

Gondolina

Pleurodus rankinii

Angyomphalus longicostatus

Gongyloblatta

Pleurojulus

Angyomphalus multicostatus

Gongyloblatta fritschi

Pleurojulus biornatus

Angyomphalus northviewensis

Goniasma

Pleurojulus levis

Angyomphalus penelenticulata

Goniasma dalryensis

Pleurophorella

Angyomphalus radianodosa

Goniasma gzheliensis

Pleurophorella elongata

Angyomphalus radians

Goniasma lasallense

Pleurophorella parnaibaensis

Anhomalophlebia

Goniasma pygmaea

Pleurophorus occidentalis

Anhomalophlebia couloni

Goniasma terebra

Pleuroplax

Anisotrypa

Goniatites

Pleuroplax attheyi

Ankhelasma

Goniatites americanus

Pleuroplax rankinei

Ankyropteris

Goniatites antiquatus

Pleuroplax woodi

Anniedarwinia

Goniatites beyrichianus

Pleuroptyx

Anniedarwinia alabamensis

Goniatites bisati

Pleuroptyx clavatus

Annularia

Goniatites concentricus

Pleuropugnoides

Annuliconcha

Goniatites crenistria

Pleurorhynchus longipennis

Annuliconcha interlineata

Goniatites deceptus

Pleurosiphonella

Annulispongia

Goniatites eganensis

Pleurotomaria

Annulispongia interrupta

Goniatites elegans

Plicambocoelia

Anobasicrinus

Goniatites evelinae

Plicambocoelia tansathieni

Anobasicrinus brevis

Goniatites falcatus

Plicatifera

Anobasicrinus obscurus

Goniatites gerberi

Plicatifera chaoi

Anomomylacris

Goniatites granosus

Plicatifera dubius

Anomomylacris cubitalis

Goniatites hudsoni

Plicatiferina

Anomphalus

Goniatites lazarus

Plicatocyrtia zitteli

Anomphalus blancus

Goniatites multiliratus

Plicatospiriferella

Anomphalus rotulensis

Goniatites rodioni

Plicatospiriferella akachanica

Anomphalus rotulus

Goniatites sowerbyi

Plicatospiriferella canadensis

Anomphalus straparoliformis

Goniatites sphaericostriatus

Plicatospiriferella costata

Anomphalus umbilicatus

Goniatites spirifer

Plicatospiriferella grata

Anomphalus umbilicoliratus

Goniatites stenumbilicatus

Plicatospiriferella ploskajae

Anomphalus verruculiferus

Goniatites striatus

Plicochonetes

Anopliopsis

Goniatites truncatus

Plicochonetes ornatus

Anopliopsis subcarinata

Goniatites warslowensis

Ploceozyga (Hyphantozyga) cancellata

Anoptychia

Goniocladia

Plocezyga

Anozyga

Goniocladia laxa

Plocezyga acuminata

Anozyga bulla

Goniocladia parva

Plocezyga conica

Antalis

Goniocrinus

Plocezyga cordiformis

Antarctilamna ultima

Goniocyclus

Plocezyga corona

Antegoniatites

Goniocyclus ammari

Plocezyga costata

Antegoniatites anticiparis

Goniocyclus elatrous

Plocezyga delicata

Antheria angusta

Goniocyclus hannibalensis

Plocezyga excellens

Antheria obscura

Gonioglyphioceras

Plocezyga intermedia

Antheria tenuis

Gonioglyphioceras gracile

Plocezyga lineata

Anthracoblattina

Gonioloboceras

Plocezyga lirata

Anthracoblattina archangelskyi

Gonioloboceras bridgeportense

Plocezyga markae

Anthracoblattina didyma

Gonioloboceras goniolobus

Plocezyga obscura

Anthracoblattina dresdensis

Gonioloboceras gracellenae

Plocezyga ornata

Anthracoblattina gigantea

Gonioloboceras welleri

Plocezyga ornatissima

Anthracoblattina meganalis

Gonioloboceratoides

Plocezyga percostata

Anthracoblattina spectabilis

Gonioloboceratoides eliasi

Plocezyga perminuta

Anthracoblattina striata

Goniomylacris

Plocezyga regularia

Anthracoceras

Goniomylacris pauper

Plocezyga subnodosa

Anthracoceras discus

Goniophora

Plocezyga subquadrata

Anthracoceras glabrum

Goniophoria

Plocezyga tenuilirata

Anthracoceras missouriense

Goniophoria carinata

Plocezyga turbinata

Anthracoceras mooreae

Goniotarbus

Ploetzgerarus

Anthracoceras oklahomense

Goniotarbus angulatus

Ploetzgerarus krempieni

Anthracoceras paucilobum

Goodrichthys

Plummericrinus

Anthracoceras wanlessi

Gooloogongia

Plummericrinus expansus

Anthracoceratites

Gooloogongia loomesi

Pluristratoentactinia

Anthracoceratoides

Gordia

Poacites

Anthracoceratoides serratoides

Gordonites

Poacordaites

Anthracocorides

Gordonites filifer

Pocononia

Anthracocorides platipes

Gordonites matheri

Pocononia whitei

Anthracodesmus

Gorgonisphaeridium

Podtsheremia

Anthracodesmus macconochiei

Gorgonophontes

Poecilodus

Anthracodromeus

Gorgonophontes peleron

Poecilodus foveolatus

Anthracodromeus longipes

Gortanella

Poecilodus jonesii

Anthracomartus

Gosseletina

Poecilodus oliquus

Anthracomartus bohemica

Gosseletina callosa

Poecilodus parallelus

Anthracomartus carcinoides

Gosseletina johnsoni

Pohlispongia

Anthracomartus elegans

Gosseletina persimplex

Pohlsepia

Anthracomartus granulatus

Gosseletina portlockiana

Pohlsepia mazonensis

Anthracomartus hindi

Gosseletina pratteni

Pojarkovella

Anthracomartus janae

Gosseletina subglobosa

Polaricyclus

Anthracomartus kustae

Gothania

Polaricyclus ballardensis

Anthracomartus minor

Gothania westfalica

Polaricyclus bordenensis

Anthracomartus nyranensis

Grabauicrinus

Polaricyclus conkini

Anthracomartus palatinus

Grabauicrinus xinjiangensis

Polaricyclus minimus

Anthracomartus priesti

Graeophonus carbonarius

Poleumita

Anthracomartus radvanicensis

Graffhamicrinus

Polidevcia

Anthracomartus triangularis

Graffhamicrinus boellstorffi

Polidevcia arata

Anthracomartus trilobitus

Graffhamicrinus magnijkus

Polidevcia bellistriata

Anthracomartus voelkelianus

Graffhamicrinus subcoronatus

Polidevcia browni

Anthracomya

Graffhamicrinus waughi

Polidevcia sharmani

Anthraconauta

Grammatodon

Polidevcia stevensiana

Anthraconeilo

Grammatopteris

Polidevcia tulcumbensis

Anthraconeilo taffiana

Grammysia

Poliochera

Anthracophausia

Granatocrinus

Poliochera gibbsi

Anthracophausia ingelsorum

Granatocrinus granulatus

Poliochera glabra

Anthracophrynus

Grandispirifer

Poliochera punctulata

Anthracophrynus tuberculatus

Grandispora

Polioptenus

Anthracoporella

Granulatisporites

Polioptenus bertrandi

Anthracoptilus

Granulatisporites varigranifer

Polioptenus chanderisi

Anthracoptilus perrieri

Granuliferella

Polioptenus decheni

Anthracopupa

Graphiadactyllis

Polioptenus elegans

Anthracopupa ohioensis

Graphiadactyllis arkansana

Polioptenus mancomediali

Anthracosaurus

Graphiadactylloides

Polusocrinus

Anthracosaurus lancifer

Graphiocrinus

Polusocrinus rosa

Anthracosaurus russelli

Graphiptilus

Polycladiopora

Anthracosiro

Graphiptilus heeri

Polycladiopora pinnata

Anthracosiro fritschii

Greererpeton

Polycreagra

Anthracosiro woodwardi

Greererpeton burkemorani

Polycreagra elegans

Anthracospirifer

Griffithidella

Polyentactinia

Anthracospirifer arcoensis

Griffithidella alternata

Polyentactinia aranea

Anthracospirifer birdspringensis

Griffithidella doris

Polyentactinia craticulata

Anthracospirifer curvilateralis

Griffithides

Polyentactinia polygonia

Anthracospirifer leidyi

Griffithides (Griffithides) majus

Polyernus

Anthracospirifer occiduus

Griffithides (Griffithides) megalopos

Polyernus complanatus

Anthracospirifer oliveirai

Griffithides (Metaphillipsia) bufo

Polyetes

Anthracospirifer shawi

Griffithides convexicaudatus

Polyetes furcifer

Anthracosta

Grovesella

Polyetes problematica

Anthracosta duboisi

Grovesella nevadensis

Polyetoblatta calopteryx

Anthracotarbus

Grovesella pseudoglobulosa

Polyetopsis

Anthracotarbus hintoni

Grovesella tabasensis

Polyetopsis elegantissima

Anthracothremma

Gruntia

Polygnathodella

Anthracothremma robusta

Grypoblattina

Polygnathodella ouachitensis

Anthrakoris

Grypoblattina chandesrisi

Polygnathus

Anthrakoris aetherius

Grypoblattina phaseolus

Polygnathus wapanuckensis

Anthroosasterias stibareus

Grypoblattina robineti

Polygonocrinus

Antiquatonia

Grypoblattites

Polygonocrinus spiniferus

Antiquatonia cooperi

Grypoblattites flabellatus

Polymorphocodium

Antiquatonia costata

Grypoblattites tortuosus

Polymorphocodium lapparenti

Antiquatonia insculpta

Gsollbergella

Polymorphopteris

Antiquatonia pernodosa

Gudmania

Polymorphopteris polymorpha

Antiquatonia portlockianus

Gudmania darumbalae

Polyosteorhynchus

Antlerpeton

Guerichia

Polyosteorhynchus simplex

Antlerpeton clarkii

Guerichiella

Polypora

Antliodus

Guilinospirifer

Polypora ellesmerensis

Antonoceras

Gulou

Polypora elliptica

Antonoclema

Gulou carpenteri

Polypora fujimotoi

Antronaria

Gulou oudardi

Polypora gigantea

Anulofusulinella

Gulpenia

Polypora gzhelensis

Anulofusulinella palma

Gulpenia limburgensis

Polypora ignota

Anulofusulinella prima

Gundolficeras bicaniculatum

Polypora neerkolensis

Anzinia

Gunnellodus bellistriatus

Polypora nodolinearis

Anzinia thevenini

Gunterichthys

Polypora pustulosa

Aorocrinus

Gunterichthys lehiensis

Polyrhizodus

Aorocrinus formosus

Gutschickia

Polyrhizodus attenuatus

Aoujgalia

Gutschickia porosa

Polyrhizodus colei

Apachella

Gutturensis

Polyrhizodus digitatus

Apachella glabra

Gutturensis neilsoni

Polyrhizodus elongatus

Apachella powwowensis

Gymnophyllum

Polyrhizodus magnus

Apachella turbiniformis

Gypospirifer

Polyrhizodus pusillus

Aparchites

Gyracanthus

Polysacos

Apateon intermedius

Gyracanthus obliquus

Polysacos vickersianum

Apatognathus

Gyroblatta

Polysentor

Apatorhynchus

Gyroblatta clarki

Polysentor gorbairdi

Aphantites

Gyroblatta scapularis

Polytaxis

Aphantites aenigmaticus

Gyroceras

Polytremaria

Aphantomartus

Gyrolepis

Polytremaria beggi

Aphantomartus areolatus

Gyrolepis rankinii

Polytremaria catenata

Aphantomartus pustulatus

Gyrolithes

Polytylites

Aphelaeceras

Gyronema

Polyxylon

Aphelaeceras arkansanum

Gyronema altispiralis

Polyxylon elegans

Aphelakardia

Gzheloceras

Pontocypris

Aphelakardia alternistriata

Gzheloceras antiquum

Popofskyellum

Aphelakardia indianense

Gzheloceras donetzense

Porcellia

Aphelecrinus

Gzheloceras faticanum

Porcellia chesterensis

Aphelomylacris

Gzheloceras maklai

Porcellia crassinoda

Aphelomylacris modesta

Gzheloceras memorandum

Porcellia obliquinoda

Aphractus

Gzheloceras nikitini

Porcellia puzo

Aphractus adempta

Gzheloceras orthocostatum

Porcellia rectinoda

Aphralysia

Gzheloceras striatum

Porierpeton

Aphrophylloides

Gzheloceras tacitum

Poroblattina

Aphrophyllum

Habadraites

Poroblattina germari

Aphthoroblattina

Habadraites kulosiensis

Poroblattina parvula

Aphthoroblattina eggintoni

Habadraites supralatus

Poroblattina rotundata

Aphthoroblattina fascigera

Habadraites weyeri

Porostrobus

Aphthoroblattina irregularis

Hadentomum

Porsguenospongia

Aphthoroblattina johnsoni

Hadentomum americanum

Porsguenospongia lejalnicolae

Apiculatasporites

Hadrachne

Portlockia

Apiculatasporites caperatus

Hadrachne horribilis

Portlockiella

Apiculatisporites

Hadroblastus

Portlockiella blanda

Apiculiretusispora papillata

Hadronector

Portlockiella elegans

Apiculiretusispora sparsa

Hadronector donbairdi

Portlockiella kentuckyensis

Apithanus

Hadroneuria heidei

Posidonia

Apithanus jocularis

Hadrophragmos

Posidonia becheri

Apographiocrinus

Hadrophragmos soleniscus

Posidonia girtyi

Apographiocrinus platybasis

Hadrophyllum ovale

Posidoniella

Apographiocrinus typicalis

Hadropipetta

Postibulla

Apopappus

Hadropipetta ancora

Postibulla westergaardi

Apopappus guernei

Haenoblattina

Poterioceras

Apophthegma

Haenoblattina rarinervis

Poteriocrinites

Apophthegma anale

Haeretocrinus

Poteriocrinus

Apophthegma saxonicum

Haeretocrinus missouriensis

Poteriocrinus dignatus

Apophthegma sterzeli

Haeretocrinus wagneri

Pothocites

Apotocardium

Halichondrites

Potoniea

Apotocardium cordatum

Hallipterus lacoanus

Praedaraelites

Apotocardium lanterna

Halogetocrinus

Praedaraelites aktubensis

Apotocardium latifasciatum

Halogetocrinus boellstorffae

Praedaraelites loeblichi

Apotocardium obliquum

Halogetocrinus paucus

Praedonezella

Apotocardium peculiare

Halysiocrinus

Praehorridonia

Apotocardium plautum

Hamburgia

Praeleda compar

Apotocardium polymitarium

Hamburgia chappelensis

Praemichelinia

Apotocardium pomachacanum

Hamiltonichthys

Praemyonia

Apotocardium snideri

Hamiltonichthys mapesi

Praeobsoletes

Apotypoma

Hammatocyclus

Praeobsoletes burkemensis

Apotypoma arndti

Hammatospira

Praeobsoletes curtus

Apousiella

Hammatospira bellula

Praeobsoletes pauper

Aquilonites

Hammondella

Praepilatina

Arabellites

Hammondella crassa

Praeramunculus

Arachnastraea

Hammondella globosa

Praeundulomya

Arachniophyllum

Hapaloptera

Praewentzelella

Arachnolasma

Hapaloptera gracilis

Praewentzelella multiseptata

Arachnolasmella

Hapaloptera obovata

Prantlites bohemicus

Arachnometa

Hapaloptera parallela

Prehoffmannia

Arachnometa tuberculata

Haplentactinia

Prehoffmannia milleri

Arachnostega

Haplentactinia rhinophyusa

Premnoblatta duffieuxi

Arachnostega gastrochaenae

Haplistion

Preptopremnum

Araeonema

Haplistion apletum

Preshumardites

Araeonema microspirulata

Haplistion armstrongi

Preshumardites gaptankensis

Araeonema nacreformis

Haplistion sphaericum

Preshumardites illinoisensis

Araeonema novamexicanum

Haplolasma

Preshumardites stainbrooki

Araeonema virgatum

Haplolasma paraarciferum

Priapulites

Arakespongia

Haplophlebium

Priapulites konecniorum

Arakespongia mega

Haplophlebium barnesii

Primakollaria

Arcanoceras

Haplophragmina

Primakollaria amicorum

Arcanoceras burmai

Haplostigma

Primitiella

Arcanoceras furnishi

Hapsiphyllum

Primogoniatites

Arceodomus

Haptodus

Primogoniatites fundator

Arceodomus cortazari

Haptodus garnettensis

Primorella

Arceodomus glabrata

Harajicadipterus

Primorella elegans

Arceodomus japonicum

Harajicadipterus youngi

Primorella ivanovi

Arceodomus prolata

Hardistiella

Prioniodina

Arceodomus snjatkovi

Hardistiella montanensis

Prioniodina excavata

Archaediscus

Harmostocrinus

Prioniodus

Archaemegaptilus

Harpagofututor

Prioniodus altodus

Archaemegaptilus blakelyi

Harpagofututor volsellorhinus

Prioniodus cacti

Archaemegaptilus kiefferi

Hasala

Prioniodus dactylodus

Archaemegaptilus schloesseri

Hasala inferiorsaxonica

Prioniodus galesburgensis

Archaemioptera

Hassiabole

Prionoceras (Imitoceras) werriense

Archaemioptera carbonaria

Hayasakapora

Pripyatispirifer

Archaeocalamites

Hayasakapora akiyoshiensis

Priscella

Archaeocalamites radiatus

Hayasakapora isaensis

Priscomyzon

Archaeocalamites scrobiculatus

Hayasakapora otai

Priscomyzon riniensis

Archaeocidaris

Haydenella bihemisphaera

Priscopedatus

Archaeolithophyllum

Haydenella libera

Priscopedatus nawarensis

Archaeolithophyllum asymmetricum

Haydenella nanusa

Priscopedatus parvulus

Archaeolithoporella

Healdia

Prismopora

Archaeologus

Healdia caneyensis

Prismopora digitata

Archaeologus falcatus

Healdia cuneata

Prismopora triangulata

Archaeometa

Healdia parallela

Pristicladodus

Archaeometa nephilina

Healdia simplex

Pristicladodus goughi

Archaeophiomusium

Healdia simplicissima

Pristodus

Archaeophiomusium burrisi

Healdiacypris

Pristodus benniei

Archaeopitys

Healdianella

Pristodus concinnus

Archaeopitys eastmanii

Hebetorthoceras

Pristodus falcatus

Archaeopteridium

Hebetorthoceras brokenarrowense

Proallosocrinus

Archaeopteris

Hederella

Proallosocrinus glenisteri

Archaeoptilites

Hedraites

Probletocrinus

Archaeoptilites lucasi

Heintzella

Probletocrinus curtus

Archaeoptilus

Heintzella whitneyi

Probolionia

Archaeoptilus ingens

Helenodora

Proboscidella

Archaeosigillaria

Helenodora inopinata

Proboscidella guangxiensis

Archaeothyris

Helicocyclus

Proboscina

Archaeothyris florensis

Helicocyclus formosus

Proceramala

Archaeotiphe

Helicocyclus fuscus

Proceramala montanensis

Archaeotiphe barthelemyi

Helicocyclus inornatus

Prochoroptera

Archaeotiphe dalmaisi

Helicocyclus laxaris

Prochoroptera calopteryx

Archaeotiphe didieri

Helicocyclus tianshanicus

Procochleosaurus

Archaeotiphites

Heliosocrinus

Procochleosaurus jarrowensis

Archaeotiphites captiosus

Heliosocrinus neotosus

Prodentalium

Archaeotiphites petroblattinoides

Heliospongia

Prodentalium raymondi

Archaeovenator

Heliospongia excavata

Prodentalium sublaeve

Archaeovenator hamiltonensis

Heliosporites

Prodromites

Archaesphaera

Helminthochiton

Prodromites gorbyi

Archangelskyblatta

Helminthochiton riddlei

Productella

Archangelskyblatta vishniakovae

Helminthochiton simplex

Productella coloradensis

Archeglyphis

Helminthoidichnites

Productellina

Archeglyphis crassinervis

Helminthozyga

Productina

Archegogryllus

Helminthozyga costellata

Productina sampsoni

Archegogryllus priscus

Helminthozyga undulata

Productorthis

Archegonus

Helminthozyga vermiculus

Productorthis aculeata

Archerpeton

Helodus

Productus

Archerpeton anthracos

Helodus didymus

Productus (Diaphragmus) fasciculatus

Archicambala

Helodus incisus

Productus altonensis

Archicambala dawsoni

Helodus mammillaris

Productus arcuatus

Archicarabides

Helodus planus

Productus concinnus

Archicarabides pater

Helodus rudis

Productus giganteus

Archimastax

Helodus rugosus

Productus indianensis

Archimastax americanus

Helodus simplex

Productus inflatus

Archimedes

Helodus turgidus

Productus marginicinctus

Archimedes regina

Hematites

Productus mesialis

Archimulacris

Hematites barbarae

Productus ovatus

Archimulacris acadica

Hematites burbankensis

Productus parvus

Archimylacridae mirabilis

Hemeristia

Productus scitulus

Archimylacridae notabilis

Hemeristia occidentalis

Productus sedaliensis

Archimylacridae pelzi

Hemidiscus

Productus tenuicostus

Archimylacris

Hemifusulina

Proedischia

Archimylacris (Etoblattina) hastata

Hemigordius

Proedischia mezzalirai

Archimylacris acadica

Hemikreischeria

Proetides

Archimylacris delicata

Hemikreischeria geinitzi

Proetus

Archimylacris incisa

Hemileurus

Proetus (Pudoproetus) hahni

Archimylacris lerichei

Hemiliroceras

Proetus bairdensis

Archimylacris lubnensis

Hemiliroceras enucleatum

Profusulinella

Archimylacris parallelum

Hemiliroceras reticulatum

Profusulinella apodacensis

Archimylacris paucinervis

Hemiliroceras urtasimense

Profusulinella copiosa

Archimylacris regularis

Hemimylacrella

Profusulinella eoprisca

Archimylacris scalaris

Hemimylacrella leptophlebiopsis

Profusulinella jamnaensis

Archimylacris simoni

Hemimylacrella mammothi

Profusulinella ovata

Archimylacris simoniana

Hemimylacris

Profusulinella paratimanica

Archimylacris venusta

Hemimylacris ampla

Profusulinella parva

Archimylacris westfalica

Hemimylacris bassleri

Profusulinella prisca

Archiscudderia

Hemimylacris clintoniana

Profusulinella regia

Archiscudderia coronata

Hemimylacris ramificata

Profusulinella sokolensis

Archiscudderia paupera

Heminematopora

Progenentomum

Archiscudderia problematica

Hemiphoberia

Progenentomum carbonis

Archiscudderia regularis

Hemiphoberia alternans

Progoniatites

Archiscudderia tapeta

Hemiplethorhynchus

Progoniatites globulus

Architarbus

Hemiplethorhynchus kashmirensis

Progoniatites maghribensis

Architarbus hoffmanni

Hemiplethorhynchus subovatum

Progoniatites paenacutus

Architarbus minor

Hemitelites hemitelioides

Progoniatites pilus

Architarbus rotundatus

Hemithurammina

Progoniatites uncus

Archiulus

Hemitrypa

Progonoblattina

Archiulus euphoberioides

Hemizyga

Progonoblattina heeri

Archiulus glomeratus

Hemizyga (Hemizyga) bilineata

Progonoblattina helvetica

Archiulus lyelli

Hemizyga (Hemizyga) clathratula

Progonopteryx

Archiulus xylobioides

Hemizyga (Hemizyga) corbis

Progonopteryx belgica

Archoblattina

Hemizyga (Hemizyga) heliciforma

Prolecanites

Archoblattina beecheri

Hemizyga (Plocezyga) abolescens

Prolecanites discoides

Archoblattina boulei

Hemizyga (Plocezyga) angularis

Prolecanites librovitchi

Archoblattina marcellini

Hemizyga (Plocezyga) convertacostata

Prolecanites lyoni

Archoblattina maxima

Hemizyga (Plocezyga) tenuis

Prolecanites maeandricus

Archoblattina scudderi

Hemizyga attenuata

Prolecanites mapesi

Archocyrtium

Hemizyga elegans

Prolecanites serpentinus

Archocyrtium coronaesimile

Hemizyga illineata

Prolecanites stevanovici

Archocyrtium diductum

Hemizyga inflata

Prolepidodendron

Archocyrtium lagabriellei

Hemizyga larga

Prolepidodendron breviinternodium

Archocyrtium sashidai

Hentigia

Promarginifera

Arcochiton

Hentigia argops

Promexyele

Arcochiton raymondi

Heolus

Promexyele bairdi

Arctitreta

Heolus providentiae

Promexyele peyeri

Arctitreta bioni

Hepaticites

Promylacris ovale

Arctophyllum lugankaensis

Herbstiala

Promylacris ovalis

Arctotypus

Herbstiala herbsti

Promytilus

Arctotypus diluculum

Herdina

Promytilus annosus

Arcuaria

Herdina mirificus

Promytilus illinoisensis

Ardmosteges

Heritschioides

Promytilus pottsvillensis

Arenicolites longistriatus

Heritschioides columbicum

Promytilus vetulus

Areomartus

Hermosanema

Pronaidites

Areomartus ovatus

Hermosanema carinatum

Pronaidites arenivorus

Argentinala

Hermosanema varium

Pronaidites carbonarius

Argentinala cristinae

Heslerodus

Pronorites

Argentinonarkemina

Heslerodus divergens

Propalingenia

Argentinonarkemina amosi

Hesperiella

Propalingenia feistmanteli

Argentiproductus

Hesperiella elongata

Proparaparchites

Aristoceras chkalovi

Hesperiella planorbis

Propriopugnus

Arizonerpeton

Hesperiella robertsi

Prosagenodus

Arizonerpeton wellsi

Hesperiella thomsoni

Proshumardites

Arkacrinus

Hesperoblatta

Proshumardites aequalis

Arkacrinus constrictus

Hesperoblatta secunda

Proshumardites delepinei

Arkacrinus dubius

Hesperoblatta vishniakovae

Proshumardites karpinskii

Arkanites

Hesslerides

Proshumardites morrowanus

Arkanites relictus

Heteralosia

Proshumardites primus

Arltia

Heteralosia beecheri

Proshumardites principalis

Arltia carnica

Heteralosia slocomi

Proshumardites uralicus

Arltia eurycubitalis

Heterangium

Prosoleptus

Arltia mioanali

Heteraria

Prosoleptus lineata

Arltia obsoleta

Heterocaninia

Prospira

Arltia schmitzi

Heterologellus

Prospira burnettensis

Arltia willerti

Heterologellus teichmuellerae

Protacrocrinus

Armathyraster

Heterologopsis

Protacrodus

Armathyraster paradoxis

Heterologopsis ruhrensis

Protagrion

Armenoceras

Heterologus

Protagrion audouini

Armenocrinus

Heterologus duyiwuer

Protencrinus

Arnoldella

Heterologus langfordorum

Proterogyrinus

Arnoldella minuta

Heteropecten

Proterogyrinus scheelei

Arrectocrinus

Heteropecten multiscalptus

Prothalassoceras

Arrectocrinus iowensis

Heterophyllia

Prothalassoceras caddoense

Arribazona

Heterophyllia angulata

Prothalassoceras inexpectans

Arribazona devispira

Heterophyllia ornata

Prothalassoceras inflatum

Arribazona hesperita

Heterostelechus

Prothalassoceras jaikense

Arribazona nodolira

Heterotarbus

Prothalassoceras kingorum

Arthracantha

Heterotarbus ovatus

Prothalassoceras notabile

Arthracantha ithacensis

Heterotheca

Prothyris

Arthrolycosa

Heterotheca grievii

Prothyris (Lophoprothyris) crista

Arthrolycosa antiqua

Heterovorhoeffia

Prothyris (Prothyris) acuticarinata

Arthrolycosa danielsi

Heterovorhoeffia crassa

Prothyris soleniformis

Arthromygale

Hexaacrocrinus

Protobarinophyton

Arthromygale fortis

Hexacrinites

Protobarinophyton obrutschevii

Arthropitys

Hexacrinites pinnulata

Protoblattina bouvieri

Arthropleura

Hexaphyllia

Protoblattiniella

Arthropleura armata

Hexaphyllia ayzenvergi

Protoblattiniella minutissima

Arthropleura britannica

Hexapterospermum

Protoblattinopsis

Arthropleura enodis

Hexecontasoma

Protoblattinopsis stubblefieldi

Arthropleura maillieuxi

Hexecontasoma carinatum

Protocalamites

Arthropleura mammata

Hexites

Protocalamostachys

Arthropleura punctata

Hexites paradoxus

Protocalamostachys arranensis

Arthropoma

Hibbardella

Protocanites

Arthrostigma

Hibernicoceras

Protocanites australis

Arthrostigma gracile

Hierogramma mysticum

Protocanites hollardi

Articheilus

Hikorocodium

Protocaudina

Artisia

Hillia

Protocaudina botoni

Artisia transversa

Hillia formosa

Protoclepsydrops

Asapheneura

Hillia languida

Protoclepsydrops haplous

Asapheneura roussini

Hinaclema

Protoclepsydropsis

Asaphestera

Hindeodella brevis

Protocteniza

Ascodictyon

Hindeodella subtilis

Protocteniza britannica

Ascopora

Hindeodus

Protocycloceras

Ascopora muromensis

Hindeodus minutus

Protocycloceras rushense

Ascopora oblonga

Hindia

Protodiamphipnoa

Ascospongiella

Hippocardia

Protodiamphipnoa gaudryi

Ascospongiella capdevilae

Hippocardia alborza

Protodictyon

Asemoblatta

Hippocardia herricki

Protodictyon pulchripenne

Asemoblatta brongniartiana

Hippocardia hibernica

Protognathodus

Asemoblatta danielsi

Hippocardia hydei

Protognathodus collinsoni

Asemoblatta glamorgana

Hippocardia kermani

Protognathodus kockeli

Asemoblatta mazona

Hippocrepina

Protognathodus kuehni

Asemoblatta pennsylvanica

Hippocrepina bendensis

Protognathodus meischneri

Aseptella

Hiroshimaphyllum

Protohyenia

Aseptella satunensis

Hiroshimaphyllum compactum

Protohyenia janovii

Aseripterella

Hiroshimaphyllum crassithecum

Protokollaria

Aseripterella sinensis

Hiroshimaphyllum toriyamai

Protokollaria ingens

Asiodictya

Hirsutgerarus

Protolycosa anthracophila

Asiodictya rossica

Hirsutgerarus saxonicus

Protolycosa cebennensis

Asketomorpha

Histocrinus

Protomiamia

Asketomorpha grandis

Hoareicardia

Protomiamia yangi

Asolanus

Hoareicardia cunea

Protomichelinia

Asphaltina

Hoegia

Protoniella

Aspidiopsis

Holasicia

Protonodosaria

Aspidosaurus novomexicanus

Holasicia rasnitsyni

Protopachytylopsis

Aspidothorax triangularis

Holasicia vetula

Protopachytylopsis leckwycki

Asselodiscus

Holcocrinus

Protoperla

Assimulia

Holcospermum

Protoperla boltoni

Assimulia (Assimulia) uddenitense

Hollina

Protoperla westwoodi

Assimulia (Ericina) fracta

Hollinella

Protophasma

Astarte

Hollinella burlingamensis

Protophasma dumasi

Astartella

Holmesella

Protophasma galtieri

Astartella clinata

Holmesella crassa

Protophasma multidiffusa

Astartella compacta

Holmesella elongata

Protophyllum

Astartella meridionalis

Holmesella equilaterata

Protopirata

Astartella subquadrata

Holmesella ornata

Protopitys

Astartella varica

Holmesella parallelata

Protoprosbole

Astartella vera

Holmesella parallella

Protoprosbole straeleni

Asteracanthus siderius

Holmesella quadrata

Protoretepora

Asteroarchaediscus

Holmesella rhomboidelis

Prototettix

Asterolepis

Holmesella speni

Prototettix lithanthraca

Asterolepis verrucosa

Holmesella triangularis

Protovirgularia

Asterophyllites

Holmesella wapanuckensis

Protowentzelella

Asterophyllites charaeformis

Holoeciscus

Protowentzelella permica

Asteropteris

Holopea

Protriticites

Asteroptychius

Holopella

Protriticites globulus

Asteroptychius ornatus

Holoptychius

Protriticites lamellosus

Asteroptychius semiornatus

Holoptychius hopkinsii

Protriticites ovatus

Asterotheca

Holoptychius latus

Protriticites ovoides

Asterotheca sternbergii

Holoptychius nobilissimus

Protriticites pseudomontiparus

Asthenomyelon

Holoptychius serrulatus

Protriticites rotundatus

Asthenomyelon adversale

Holoptychus

Protriticites semikhatovae

Astreptorhachis

Holothuria

Protriticites sphaericus

Astreptorhachis ohioensis

Holurus

Protriticites subovatus

Astreptoscolex

Homacanthus

Protriticites subschwagerinoides

Astreptoscolex anasillosus

Homacanthus acinaciformis

Protriticites tokerae

Astromyelon

Homacanthus delicatulus

Protriticites variabilis

Asturiella

Homacanthus macrodus

Prouddenites

Asturoceras

Homacanthus microdus

Prouddenites primus

Asymptoceras

Homaloneura

Pruvostia spectabilis

Asymptoceras pyxis

Homaloneura berenice

Pruvostia villeti

Asymptoceras tschernovi

Homaloneura bonnieri

Pruvostianus

Asyncritus

Homaloneura bucklandi

Pruvostianus antegressus

Asyncritus reticulatus

Homaloneura dabasinskasi

Pruvostiella

Asyrinxia

Homaloneura elegans

Pruvostiella lecomtei

Atactoblatta

Homaloneura joannae

Psalixochlaena

Atactoblatta anomala

Homaloneura kiliani

Psalixochlaena cylindrica

Atelestocrinus

Homaloneura lehmani

Psammodus

Athabascacrinus

Homaloneura ligeia

Psammodus canaliculatus

Athlocrinus

Homaloneura ornata

Psammodus cornutus

Athlocrinus dejustus

Homaloneura punctata

Psammodus expansus

Athyris

Homaloneura redbirdi

Psammodus rugosus

Athyris bisulcata

Homalophlebia

Psammodus trapeziformis

Athyris bradyensis

Homalophlebia finoti

Psammosphaera

Athyris globularis

Homalophyllites

Psammosteus

Athyrisina

Homaloptila

Psammosteus granulatus

Atimoblatta

Homaloptila similis

Psammosteus vermicularis

Atimoblatta curvipennis

Homoceras

Psaronius

Atimoblatta reducta

Homoceras alveatum

Psephodus

Atokacrinus

Homoceras asselicum

Psephodus dubius

Atokacrinus tumulosus

Homoceras coronatum

Psephodus magnus

Atrapocrinus

Homoceras haugi

Psephodus salopiensis

Atribonium

Homoceras pamiricum

Pseudaktubites

Atrypa

Homoceras schartymense

Pseudamussium

Atrypa jukesii

Homoceras subalveatum

Pseudarietites

Attenosaurus

Homoceratoides

Pseudastrorhiza

Attenosaurus indistinctus

Homoceratoides cracens

Pseudaviculopecten

Attenosaurus subulensis

Homoceratoides ferganensis

Pseudestheria

Aulacella

Homoceratoides librovitchi

Pseudestheria tenella

Aulacophoria

Homoioptera

Pseudetoblattina

Aulacotheca

Homoioptera gigantea

Pseudetoblattina reliqua

Aulertupus

Homoioptera kortumi

Pseudoaclisina

Aulertupus tembrocki

Homoioptera latipenne

Pseudoaclisina microspirulata

Aulichnites

Homoioptera vorhallensis

Pseudoaclisina turgida

Aulina

Homothetus

Pseudoacridites

Aulina botanica

Homothetus fossilis

Pseudoacridites goldenbergi

Aulina rotiformis

Hongyu

Pseudoammodiscus

Auloclisia

Hongyu chowi

Pseudobatostomella

Aulocopoides

Horridonia praetimanica

Pseudobaylea

Aulocrinus

Hosieocrinus

Pseudobaylea poperimensis

Aulocystella

Houiblastus

Pseudobiella

Aulodesocrinus

Howchinia

Pseudobiella fasciata

Aulokoninckophyllum

Howella

Pseudobigalea

Aulokoninckophyllum carinatum

Howisonia

Pseudobigalea crista

Aulophyllum

Howthia

Pseudoblattinopsis

Aulopora

Howthia suttonensis

Pseudoblattinopsis perrieri

Auloprotonia

Hudsonoceras proteum

Pseudobornia

Aurikirkbya

Humboldtiella imbricata

Pseudobornia ursina

Aurikirkbya canyonensis

Hunanoproetus

Pseudobradyina

Auriptygma

Hustedia

Pseudobythocypris

Australofenestella

Hustedia mormoni

Pseudobythocypris pediformis

Australokaskia

Hustedia paula

Pseudoconocardium

Australopolypora

Hustedia remota

Pseudocyclopteris

Australoscutula

Hustedia texana

Pseudocyclopteris oblata

Australoscutula ardua

Hutkocrinus

Pseudodaixinoides

Australoscutula yooi

Hutkocrinus kermanensis

Pseudodaixinoides admirandus

Australospongia

Hyaloptilus

Pseudodaixinoides cincinnatus

Australosutura

Hyaloptilus minimus

Pseudodaixinoides cucumeriformis

Australosutura llanoensis

Hyalostelia

Pseudodaixinoides cylindricus

Austroneilsonia

Hydnoangulus

Pseudodaixinoides honestus

Austroneilsonia gundyensis

Hydnoangulus quadratus

Pseudodaixinoides kalcagaricus

Austronema elegantissima

Hydrasperma

Pseudodaixinoides pseudoartensis

Austrospirifer

Hydrasperma tenuis

Pseudodaixinoides quasiplanus

Austroworthenia

Hydreionocrinus

Pseudodaixinoides septaplicatus

Austroworthenia levis

Hydriodictya

Pseudodorlodotia

Autophyllites

Hydriodictya cyclix

Pseudodudu

Avicula (TEMPORÄR)

Hydromeda

Pseudoendothyra

Aviculopecten

Hydromeda fimbriata

Pseudoendothyra plummeri

Aviculopecten appalachianus

Hylerpeton

Pseudofavosites

Aviculopecten arctisulcatus

Hylerpeton dawsoni

Pseudofouquea

Aviculopecten basilicus

Hylodecrinus

Pseudofouquea cambrensis

Aviculopecten batesvillensis

Hylonomus

Pseudofusulina

Aviculopecten columbianus

Hylonomus acuminatus

Pseudofusulina mediotenebraeus

Aviculopecten coxanus

Hylonomus latidens

Pseudofusulina prehuecoensis

Aviculopecten crenistriatus

Hylonomus lyelli

Pseudofusulina rarus

Aviculopecten germanus

Hylonomus wymani

Pseudofusulinella

Aviculopecten gradicosta

Hyloplesion

Pseudofusulinella antiqua

Aviculopecten halensis

Hyloplesion longicostatum

Pseudofusulinella delicata

Aviculopecten inspeciosus

Hymenophyllites

Pseudofusulinella fusiformis

Aviculopecten jennyi

Hymenosoma

Pseudofusulinella gravis

Aviculopecten moorei

Hymenozonotriletes

Pseudofusulinella harbaughi

Aviculopecten morrowensis

Hyneria

Pseudofusulinella meeki

Aviculopecten multilineatus

Hyneria lindae

Pseudofusulinella nitida

Aviculopecten occidentalis

Hyolithes

Pseudofusulinella praeantiqua

Aviculopecten pracaensis

Hyolithes amosi

Pseudofusulinella prima

Aviculopecten winchelli

Hyolithes minutissimus

Pseudofusulinella proba

Aviculopinna

Hyperammina

Pseudofusulinella splendens

Aviculopinna peracuta

Hyperammina elongata

Pseudofusulinella thompsoni

Aviobreyeria

Hyperammina johnsvalleyensis

Pseudofusulinella ventricosa

Aviobreyeria gracilis

Hyperammina rugosa

Pseudofusulinella wheeleri

Aviocladus

Hyperamminoides

Pseudofusulinoides akbeiticus

Aviocladus pectinatus

Hyperamminoides glabra

Pseudogerarus

Aviogramma

Hypergonia

Pseudogerarus scudderi

Aviogramma gracilis

Hypergonia agraciada

Pseudoglomospira

Aviohapaloptera

Hypergonia attenuata

Pseudohomothetus

Aviohapaloptera bethouxi

Hypergonia baldwinensis

Pseudohomothetus erutus

Aviologus

Hypergonia deplanata

Pseudokamaena

Aviologus duquesnei

Hypergonia elongata

Pseudokreischeria

Avionptera

Hypergonia hoffmani

Pseudokreischeria pococki

Avionptera communeaui

Hypergonia illinoiensis

Pseudoleperditia

Aviorrhyncha

Hypergonia kirkbyi

Pseudolituotuba

Aviorrhyncha magnifica

Hypergonia marvinwelleri

Pseudolituotubella

Avioxyela

Hypergonia mcoyi

Pseudomariopteris

Avioxyela gallica

Hypergonia percarinata

Pseudomariopteris busqueti

Avonia

Hypergonia percostata

Pseudomecynostoma

Avonia adaucta

Hypergonia quadricarinata

Pseudomecynostoma dubium

Avonia aspereta

Hypergonia tatei

Pseudomonotis

Avonia gaominensis

Hypergonia tenuis

Pseudomonotis equistriata

Avonia honeycreekensis

Hypergonia turritella

Pseudomonotis hawni

Avonia longitubercula

Hypergonia vermicula

Pseudomonotis millhorni

Avonia orbiculata

Hypergonia youngiana

Pseudomulceodens

Avonia phanera

Hypergoniatites

Pseudomulceodens cancellatus

Avonia pustulifera

Hypergoniatites exiguus

Pseudomylacris

Avonia subtuberculata

Hypergoniatites fusiger

Pseudomylacris wettinense

Avonichthys

Hypergoniatites kardailovkensis

Pseudonematopora

Avonichthys manskyi

Hypergoniatites tenuiliratus

Pseudonematopora planatus

Axinolobus

Hypermegethes

Pseudooedischia

Axinolobus modulus

Hypermegethes northumbriae

Pseudooedischia sellardsi

Axinolobus quinni

Hypermegethes pilchi

Pseudopalingenia

Axiodeaneia

Hypermegethes schucherti

Pseudopalingenia feistmanteli

Axiologus

Hyphantozyga

Pseudopaolia

Axiologus thoracicus

Hyphantozyga fenestrata

Pseudopaolia lacoana

Axoclisia

Hyphantozyga fusiforma

Pseudoparalegoceras

Axolithophyllum

Hyphantozyga gracilis

Pseudoparalegoceras bellilineatum

Axophyllum

Hyphantozyga grandis

Pseudoparalegoceras brazoense

Axophyllum lonsdaleiforme

Hyphantozyga knighti

Pseudoparalegoceras peruvianum

Axophyllum pseudokirsopianum

Hyphantozyga perattenuata

Pseudopavona

Aykhal

Hyphantozyga pulchra

Pseudopentagonia

Aykhal helenae

Hyphantozyga textilis

Pseudophillipsia ogivalis

Aytonerpeton

Hypotetragona

Pseudophillipsia rakoveci

Aytonerpeton microps

Hypselentoma

Pseudophillipsia semicircularis

Azurduya

Hypselentoma inornata

Pseudophlegethontia

Azurduya chavelensis

Hypselentoma perhumerosa

Pseudophlegethontia turnbullorum

Azurduya cingolanii

Hypselentoma welleri

Pseudophorus

Babinops

Hypselocrinus

Pseudopolyernus

Bactrites

Hystriculina

Pseudopolyernus laminarum

Bactrites carbonarius

Hystriculina hystricula

Pseudopolygnathus

Bactrites gaitherensis

Hystriculina wabashensis

Pseudopronorites

Bactrites redactus

Ianthasaurus

Pseudopronorites arkansiensis

Bactrites smithianus

Ianthasaurus hardestiorum

Pseudopronorites llanoensis

Bactritimimus

Ianthinopsis

Pseudopronorites quinni

Bactritimimus girtyi

Ianthinopsis conspicua

Pseudorayella

Bactritimimus ulrichi

Ianthinopsis medialis

Pseudorhabdomeson

Baculopora

Ianthinopsis melanoides

Pseudoroemeripora

Baeoneura obscura

Ianthinopsis pinguis

Pseudorthoceras

Bailliena yukonensis

Ianthinopsis tumenensis

Pseudorthoceras knoxense

Baiosoma

Ianthodon

Pseudorthoceras stonense

Baiosoma batilia

Ianthodon schultzei

Pseudoseptopora

Baiosoma cucullata

Ibergia centrifuga

Pseudosigillaria

Baiosoma pala

Ibergirhynchia

Pseudosigillaria monostigma

Bairdia

Iberospondylus

Pseudospatulina

Bairdia (Cryptobairdia) seminalis

Iberospondylus schultzei

Pseudostacheoides

Bairdia (Urobairdia) angusta

Ibukiphyllum

Pseudostacheoides loomisi

Bairdia ardmorensis

Ibyka

Pseudostaffella

Bairdia beedei

Ibyka amphikoma

Pseudostaffella (Semistaffella) variabilis

Bairdia curta

Ichnomylax karatajae

Pseudostaffella antiqua

Bairdia girtyi

Ichthyerpeton

Pseudostaffella cuboides

Bairdia grahamensis

Ichthyerpeton squamosum

Pseudostaffella needhami

Bairdia hoffmanae

Ichthyorachis

Pseudostaffella oblonga

Bairdia hooverae

Ichthyostega eigili

Pseudostaffella panxianensis

Bairdia kansasensis

Iddingsella

Pseudostaffella paradoxa

Bairdia kanwakensis

Idiognathodus

Pseudostaffella proozawai

Bairdia nagyvisnyoensis

Idiognathodus biconvexus

Pseudostaffella shidaliensis

Bairdia perincerta

Idiognathodus binodosus

Pseudostaffella sphaeroidea

Bairdia permagna

Idiognathodus cancellosus

Pseudostenopoceras

Bairdia pompilioides

Idiognathodus cariniferus

Pseudostenopoceras lenticulare

Bairdia pseudoglennensis

Idiognathodus cherryvalensis

Pseudostenopoceras rouillieri

Bairdia reussiana

Idiognathodus chiriformis

Pseudostenopoceras solare

Bairdia whortani

Idiognathodus cicatricosus

Pseudosyringodendron

Bairdiacypris

Idiognathodus clavatus

Pseudosyringodendron pachyderma

Bairdianella

Idiognathodus confragus

Pseudosyringothyris

Bairdianella elegans

Idiognathodus corrugatus

Pseudosyrinx

Bairdiocypris

Idiognathodus cuneiformis

Pseudotaxis

Bairdiolites

Idiognathodus erodus

Pseudotealliocaris

Bakevellia

Idiognathodus farrelli

Pseudotealliocaris palincsari

Balachonoblatta

Idiognathodus folium

Pseudotermes

Balachonoblatta pectininervosa

Idiognathodus fusiformis

Pseudotermes parvulus

Balachonoblatta zheltojarica

Idiognathodus gemmiformis

Pseudotimania

Balakhonia

Idiognathodus harkeyi

Pseudotriticites

Balanerpeton

Idiognathodus jugosus

Pseudotriticites thaiensis

Balanerpeton woodi

Idiognathodus kansensis

Pseudowannerophyllum

Balanoconcha

Idiognathodus lanceolatus

Pseudowaribole

Balanoconcha australis

Idiognathodus liratus

Pseudozaphrentoides

Balantoides

Idiognathodus lobatus

Pseudozaphrentoides ordinatus

Balduria

Idiognathodus megistus

Pseudozygopleura

Balduria archaica

Idiognathodus modulatus

Pseudozygopleura (Pseudozygopleura) conica

Balduriella

Idiognathodus multinodosus

Pseudozygopleura (Pseudozygopleura) leveneae

Balduriella latissima

Idiognathodus nodostriatus

Pseudozygopleura (Pseudozygopleura) mutabilis

Baldwinonus trux

Idiognathodus porcatus

Pseudozygopleura (Pseudozygopleura) nana

Balikunochonetes

Idiognathodus rotundus

Pseudozygopleura (Pseudozygopleura) nigra

Balikunochonetes liaoi

Idiognathodus rugulatus

Pseudozygopleura (Pseudozygopleura) pagoda

Baltisphaeridium

Idiognathodus ruidus

Pseudozygopleura (Pseudozygopleura) peoriense

Balvia

Idiognathodus semipapulatus

Pseudozygopleura (Pseudozygopleura) pinquicula

Bandoproductus

Idiognathodus siculus

Pseudozygopleura (Pseudozygopleura) praeacuta

Bandringa

Idiognathodus simplex

Pseudozygopleura (Pseudozygopleura) recticostata

Bandringa herdinae

Idiognathodus spathodus

Pseudozygopleura (Pseudozygopleura) rothi

Bandringa rayi

Idiognathodus strigillatus

Pseudozygopleura (Pseudozygopleura) teres

Baphetes

Idiognathodus sulciferus

Pseudozygopleura (Pseudozygopleura) werneri

Baphetes kirkbyi

Idiognathodus symmetricus

Pseudozygopleura (Pyrgozyga) warthini

Baphetes orientalis

Idiognathodus vadosus

Pseudozygopleura (Stephanozyga) lisaspira

Baphetes planiceps

Idiognathodus walteri

Pseudozygopleura (Stephanozyga) nishimurai

Barameda

Idiognathodus warei

Pseudozygopleura acuminata

Barameda decipiens

Idiognathodus wintersetensis

Pseudozygopleura angustata

Barameda mitchelli

Idiognathoides

Pseudozygopleura assertonsoris

Barinophyton richardsoni

Idiomylacris gracilis

Pseudozygopleura baltea

Barrandeophyllum

Idioprioniodus

Pseudozygopleura cirritus

Barrandeophyllum bayanbulagense

Idioprioniodus camurus

Pseudozygopleura condrai

Barrealispira

Idioprioniodus striatus

Pseudozygopleura contractus

Barrealispira tupensis

Idioprioniodus typus

Pseudozygopleura deloi

Barroisella

Idmonarachne

Pseudozygopleura eximia

Barroisiblatta

Idmonarachne brasieri

Pseudozygopleura funis

Barroisiblatta guerrei

Idoptilus

Pseudozygopleura girtyi

Barroisiblatta jourdani

Idoptilus onisciformis

Pseudozygopleura gradatus

Barroisiblatta orieulxi

Idoptilus peachii

Pseudozygopleura irrugata

Barroisiblatta retroflexa

Ignaroblatta

Pseudozygopleura kellettae

Barthelopteris germarii

Ignaroblatta panda

Pseudozygopleura knighti

Bartramella

Ignaroblatta rectisubcosta

Pseudozygopleura lanceolatus

Bartramella mediocris

Ignaroblatta sibirica

Pseudozygopleura lefebvrei

Bartramella vervillei

Ignoceras

Pseudozygopleura limus

Barycrinus

Ildraites

Pseudozygopleura macra

Barycrinus spurius

Ilfeldia

Pseudozygopleura moorei

Baryschyr

Ilfeldia jejunata

Pseudozygopleura mucronatus

Baryshnyala

Illusioluidia

Pseudozygopleura multicostata

Baryshnyala occulta

Illusioluidia teneryi

Pseudozygopleura obtusicacuminis

Barytichisma

Ilyodes divisa

Pseudozygopleura palus

Baschkirina

Ilyodes elongata

Pseudozygopleura pandus

Baschkirina buekkensis

Imbrexia

Pseudozygopleura perversa

Baschkirina convexa

Imbricatocoelia

Pseudozygopleura plummeri

Baschkirites

Imitoceras

Pseudozygopleura pluricostata

Baschkirites granosus

Imitoceras dimidium

Pseudozygopleura pugonis

Baschkirites planus

Imitoceras oxydentale

Pseudozygopleura pulchra

Baschkirites vasilkovskyi

Imitoceras sinuatum

Pseudozygopleura pupa

Bashkirella

Imitoceras strictum

Pseudozygopleura rectus

Bashkortoceras

Imoella

Pseudozygopleura restis

Bashkortoceras artum

Imoella obscura

Pseudozygopleura schucherti

Bashkortoceras kugarchense

Imogloba

Pseudozygopleura scitula

Bashkortoceras salavati

Imogloba gandyensis

Pseudozygopleura scruposus

Basidechenella

Imonautilus

Pseudozygopleura semicostata

Basidechenella timwhitei

Imonautilus meeki

Pseudozygopleura sinuosior

Basslerella

Imparipteris

Pseudozygopleura smithiana

Basslerites

Imparipteris heterophylla

Pseudozygopleura subclathrata

Batangophyllum

Incisurella

Pseudozygopleura subulatus

Batangophyllum sinense

Incrustospongia

Pseudozygopleura tenuivirga

Bathronocrinus

Indivisia

Pseudozygopleura variegata

Bathronocrinus wolfriverensis

Infernovenator

Pseudozygopleura yandellana

Bathysiphon

Infernovenator steenae

Psilocamara

Bathytaptus

Inflatia

Psilocamara renfroarum

Bathytaptus falcipennis

Inflatia cooperi

Psilokirkbyella

Batocrinus

Inflatia gracilis

Psilophyton

Batostomella

Inflatia pusilla

Psilothorax

Batrachiderpeton

Inflatia succincta

Psilothorax longicauda

Batrachiderpeton lineatum

Iniopera

Psychroptilus

Batrachiderpeton reticulatum

Iniopera richardsoni

Psychroptilus burrettae

Baylea

Iniopteryx

Psygmophyllum flabellatum

Baylea coheni

Iniopteryx rushlaui

Ptenodera

Baylea concentrica

Iniopteryx tedwhitei

Ptenodera dubius

Baylea cordulae

Inioxyele

Pteria

Baylea giffordi

Inioxyele whitei

Pteridomylacris

Baylea inclinata

Insolentitheca

Pteridomylacris paradoxa

Baylea knighti

Irajanarkemina

Pteridotheca

Baylea kuesi

Irajanarkemina rodendorfi

Pterinea

Baylea minuta

Irinoceras

Pterinopecten

Baylea parva

Irinoceras arcuatum

Pterinopectinella

Baylea sinuatus

Irinoceras minutum

Pterispermostrobus

Baylea spirolirata

Irmosporites

Pterispermostrobus bifurcatus

Baylea subconstricta

Irmosporites circumpolaris

Pterochiton

Baylea tabulata

Irregularina

Pterochiton carbonarius

Baylea trifibra

Ischnoneura

Pterochiton spatulatus

Baylea yvanii

Ischnoneura brongniarti

Pteronepionites

Beagiascus

Ischnoneura delicatula

Pteronepionites ambigua

Beagiascus pulcherrimus

Ischnoneura oustaleti

Pteronepionites lepus

Becanites

Ischnoptilus

Pteronidia

Becanites africanus

Ischnoptilus elegans

Pteronidia plicatula

Becanites inflateralis

Isfarispira

Pteronites

Bechala

Isfarispira perlata

Pteroplax

Bechala sommeri

Isoallagecrinus

Pteroplax cornuta

Bechlya

Isoallagecrinus lasallensis

Pteroplax cornutus

Bechlya ericrobinsoni

Isochonetes

Pterospermella

Becquerelia

Isochonetes larinoensis

Pterotocrinus

Becquerelia elegans

Isodectes

Ptilomylacris

Becquerelia superba

Isodectes obtusus

Ptilomylacris medialis

Becquerelia tincta

Isogramma

Ptiloporella

Beecheria

Isogramma donbassica

Ptiloporella irregularis

Beecheria chouteauensis

Isogramma pachti

Ptomatis

Beedeina

Isogramma salteri

Ptomatis moreirai

Beedeina aculeata

Isogramma scotica

Ptomatis proteiforme

Beedeina buglensis

Isogramma vidriense

Ptychocarpus

Beedeina communis

Isohomoceras

Ptychocladia

Beedeina consobrina

Isohomoceras inostranzewi

Ptychomaletoechia

Beedeina distenta

Isohomoceras modestum

Ptychomphalina

Beedeina diversa

Isohomoceras praematurum

Ptychomphalina magna

Beedeina exilis

Isojulus

Ptychomphalus

Beedeina ferusa

Isojulus constans

Ptychomphalus conimorphus

Beedeina inflata

Isotrypa

Ptychomphalus striatus

Beedeina leei

Itimaites

Ptychopteria

Beedeina multicava

Itimaites parabolicus

Ptychopteria pusilla

Beedeina nytvica

Itimaspira

Ptychosphaera

Beedeina paradistenta

Itimaspira klugi

Ptychospirina

Beedeina samarica

Ivanovia tenuissima

Ptylopora

Beedeina schellwieni

Ivoechiton

Ptylopora konincki

Beedeina siviniensis

Izykhia

Ptyocephalus

Beedeina subferusa

Izykhia tridentis

Ptyonius

Beedeina ulitinensis

Jacquesoudardia

Ptyonius marshii

Bekena

Jacquesoudardia magnifica

Ptyonius olisthmonaias

Belantsea

Jaekelocarpus

Pudoproetus

Belantsea montana

Jaekelocarpus oklahomensis

Pudoproetus chappelensis

Belantsea occidentalis

Jakutoproductus

Puertollanopus

Belemnocrinus

Jakutoproductus sabattiniae

Puertollanopus omicrodactylus

Belemnospongia

Janassa

Pugilis

Belemnospongia parmula

Janassa bituminosa

Pugnax

Beleutoceras

Janassa clarki

Pugnax latesinuata

Beleutoceras carinatum

Janassa clavatus

Pugnax utah

Belgibole

Janassa imbricatus

Pugnoides

Belinurus

Janassa linguaeformis

Pugnoides mazhalaensis

Bellazona

Janassa maxima

Pugnoides quinqueplecis

Bellazona bella

Janassa unguicula

Pulchratia

Bellazona polita

Janeia

Pullastra

Bellerophon

Janischewskina

Pullastra striatocostata

Bellerophon (Bellerophon) needlensis

Jdaidites

Pulsia

Bellerophon (Bellerophon) panneus

Jdaidites cultellus

Punctatisporites

Bellerophon (Bellerophon) planodorsatum

Jedria

Punctatisporites glaber

Bellerophon (Bellerophon) stevensianus

Jedria meeki

Punctatisporites irrasus

Bellerophon (Bellerophon) vinculatus

Jedria ventrica

Punctatosporites

Bellerophon (Bellerophon) welshi

Jenisseiphyton

Punctospirifer

Bellerophon anthracophilus

Jenisseiphyton lebedevii

Punctospirifer ambiguus

Bellerophon barquensis

Jerania

Punctospirifer coronae

Bellerophon bicarenus

Jerania jeranensis

Punctospirifer gigas

Bellerophon blairi

Jerania persimilis

Punctospirifer kentuckensis

Bellerophon bristolensis

Jerania pusillens

Punctospirifer transversus

Bellerophon chesterensis

Jerania sicilicula

Punctothyris

Bellerophon corriei

Jerania subvexa

Purdonella

Bellerophon demaneti

Jigulites corpulentus

Purdonella nikitini

Bellerophon gibsoni

Jigulites formosus

Purkynia

Bellerophon graphicus

Jigulites intermedius

Purkynia lata

Bellerophon hiulcus

Jilinmartinia

Pustula

Bellerophon incomptus

Jilinmartinia sokolovi

Pustula pertenuis

Bellerophon insculptus

Jimpohlia

Pustulatisporites

Bellerophon interstrialis

Jimpohlia erinacea

Pustulatisporites papillosus

Bellerophon jeffersonensis

Joanellia

Putrella

Bellerophon kyndalynensis

Joanellia lundi

Pycnopora

Bellerophon latisulcatus

Johnsonathyris

Pycnotarbus

Bellerophon scissile

Jonesina

Pycnotarbus verrucosus

Bellerophon sedaliensis

Jonesina howardensis

Pyebrodia

Bellerophon singularis

Jongmansia tuberculata

Pyebrodia martinsnetoi

Bellerophon spergensis

Jordanites

Pygmaeoceras solidum

Bellerophon sulcatulus

Jugobreyeria

Pylentonema

Bellerophon swainsensis

Jugobreyeria sippelorum

Pylentonema antiqua

Bellerophon tenuifascia

Julieticrinus

Pyramiblastus

Bellerophon tenuilineata

Julieticrinus romeo

Pyramiblastus fusiformis

Bellerophon ulrichi

Junggaroblastus

Pyramus

Bellerophon wewokanus

Juresania

Pyramus primigenius

Bellerophon whittleseyi

Juresania grandispinosa

Pyritaranea

Bellerophon wrighti

Juresania ovalis

Pyritaranea tubifera

Bellinurus

Kabakovitchiella

Pyrula microtricha

Bellinurus baldwini

Kabyaipecten

Qilianiblatta

Bellinurus bellulus

Kahlerella kirgisica

Qilianiblatta namurensis

Bellinurus koenigianus

Kakwiphyllum

Quadratia egregia

Bellinurus lacoei

Kallenbergia

Quadratia hirsutiformis

Bellinurus longicaudatus

Kallenbergia handlirschi

Quadratonucula

Bellinurus morgani

Kallimorphocrinus

Quadrochonetes

Bellinurus reginae

Kalops

Quadropedia

Bellinurus trechmanni

Kalops diophrys

Quadropedia prima

Bellinurus truemani

Kalops monophrys

Quasiavonia

Bellocaris

Kaloxylon

Quasicravenoceras

Bembexia

Kalymma

Quasicravenoceras consuetum

Bembexia inumbilicata

Kalymma grandis

Quasicravenoceras costatum

Bembexia minima

Kamaena

Quasicravenoceras infans

Bensbergia elongata

Kamaena delicata

Quasicravenoceras librovitchi

Bensonites

Kamaenella

Quasiendothyra

Bensonites fusiformis

Kankakeea

Quasifusulina

Beresella

Kankakeea grundyi

Quasifusulina akbeitica

Berestovia

Kanmeraia

Quasifusulina eleganta

Bergeria

Kanmeraia kottlowskii

Quasifusulina kodzhagulica

Bernicia

Kansanella

Quasifusulina longissima

Bernicia praecursor

Kansuella

Quasifusulina ptchanica

Bertrandiblatta

Karavankina

Quasifusulinoides

Bertrandiblatta inexpectata

Karavankina dobsinensis

Quasifusulinoides fallax

Bethacanthus

Karavankina fasciata

Quasifusulinoides fusiformis

Bethacanthus insolitus

Karavankina praepermica

Quasifusulinoides intermedius

Bevocastria

Kardailites

Quasifusulinoides kljasmicus

Beyrichia

Kardailites primus

Quasifusulinoides parafusiformis

Beyrichiella

Kardailites pulcher

Quasifusulinoides quasifusulinoides

Beyrichoceras

Karinopteris

Quasillites

Beyrichoceras crenistriatoide

Kaskia

Quinnites

Beyrichoceras elabiodiense

Kassinella

Quinnites henbesti

Beyrichoceras hornerae

Katerinka

Quinnites textum

Beyrichoceras jadarense

Katerinka hilaris

Rachiopteris

Beyrichoceras trevallynense

Katoblastus

Radstockia

Beyrichoceratoides

Katoblastus konincki

Rainerichthys

Beyrichoceratoides lunatus

Katoblastus puzos

Rainerichthys zangerli

Beyrichoceratoides redesdalensis

Katoptychia hallii

Raistrickia

Beyrichoceratoides truncatus

Kawanamia

Raistrickia aculeata

Bibucia

Kawanamia onimarensis

Raistrickia densa

Bicuerda

Kawichthys

Rakovnicia

Bicuerda procolumnare

Kawichthys moodiei

Rakovnicia antiqua

Bifossularia

Kazachstanoblastus

Ramesses

Bigenerina

Kazakhoceras

Ramesses magnus

Bilignea

Kazakhoceras bylundi

Ramiphyllum

Bilignea solida

Kazakhoceras hawkinsi

Ramiphyllum firmatum

Bilinguites

Kazakhoceras scaliger

Ramipora

Bilinguites canadensis

Kazakhstania

Ramipora hochstetteri

Bilinguites degeneratus

Kazakhstania colubrella

Ramiporalia

Bilinguites eliasi

Kazakhstania evoluta

Ramiporidra

Bilinguites eximius

Kazakhstania mangeri

Ramiporidra minuta

Bilinguites heibergensis

Kazakhstania nitida

Ramosites

Bilinguites metabilinguis

Keeneia

Ramosites brevisellatus

Bilinguites politus

Kegelidium

Ramosites corpulentus

Bilinguites superbilinguis

Kegelidium lamegoi

Ramosites exrectus

Binipecten

Kelleropteron

Ramosites magnus

Binipecten yuani

Kelleropteron kaelberbergense

Ramosites praesagus

Biorbis

Kellettella

Ramosites ramosus

Bipedes aspodon

Kellettella navicula

Ramosites rectus

Birdsallella

Kemperala

Ramosites schartymensis

Bisatoceras

Kemperala hagenensis

Ramosites subtilis

Bisatoceras greenei

Kenomagnathus

Ramulocrinus

Bisatoceras hoeni

Kenomagnathus scotti

Raphconilia

Bisatoceras kotti

Keokukia

Rasnitsynala

Bisatoceras primum

Keraterpeton

Rasnitsynala sigambrorum

Bisatoceras renni

Keraterpeton galvani

Rasstriga

Bisatoceras secundum

Keraterpeton gigas

Rasstriga americana

Biseriella

Keraterpeton longtoni

Rauserites

Biseriella parva

Keyserlingophyllum

Rauserites baghbanii

Bispathodus

Kiangsiella

Rauserites dictyophorus

Bispinacratia

Kiangsiella halliana

Rauserites fusoideus

Bispinacratia posterospinosa

Kimina

Rauserites infrequentis

Bistrialites

Kimina australis

Rauserites ishimbaji

Bistrialites bicostatus

Kimina globosa

Rauserites karlensis

Bistrialites bimembris

Kimina minor

Rauserites noinskyi

Bitaunioceras

Kindleina

Rauserites sinuosus

Bitaunioceras buckhornense

Kindlella

Rauserites stuckenbergi

Biwaella poletaevi

Kindlella minuta

Rauserites subobsoletus

Biwaella zhikalyaki

Kinkaidia cancellata

Rauserites variabilis

Bizarrea

Kinkaidia triserrata

Rawdonia

Bizarrea obscura

Kinkaidia uniserrata

Rayonnoceras

Blairocrinus

Kinklidoblatta

Rayonnoceras eccentricum

Blanzelytron

Kinklidoblatta corsini

Rayonnoceras fayettevillense

Blanzelytron vetteri

Kinklidoblatta lesquereuxi

Rayonnoceras irregulare

Blattina wemmetsweileriensis

Kinklidoblatta morini

Rayonnoceras nobile

Blattinopsis

Kinklidoblatta youhei

Rayonnoceras protentum

Blattinopsis (Blattinopsis) romani

Kinklidoblatta zavjalovensis

Rayonnoceras solidiforme

Blattinopsis americana

Kinklidoptera

Rayonnoceras vaughanianum

Blattinopsis anthracina

Kinklidoptera lubnensis

Rectangulina

Blattinopsis confusa

Kinklidoptera vicina

Rectifenestella

Blattinopsis fimbriata

Kionoceras

Rectifenestella submicroporata

Blattinopsis goldenbergi

Kionophyllum

Rectifenestella tenax

Blattinopsis huysseni

Kirchnerala

Rectineura

Blattinopsis laqueata

Kirchnerala treintamil

Rectineura lineata

Blattinopsis latipennis

Kirkbya

Rectobairdia

Blattinopsis major

Kirkbya bendensis

Rectonaria

Blattinopsis ornata

Kirkbya clarocarinata

Recula

Blattinopsis ovalis

Kirkbya firma

Recula parva

Blattinopsis reticulata

Kirkbya pergrandis

Reediella

Blattinopsis taschenbergi

Kirkbya permiana

Reedoconcha

Blattocoleus

Kirkbya punctata

Reedoconcha permixta

Blattocoleus tillyardi

Kirkbya reflexa

Reesodus

Blattoidea anceps

Kirkbya valida

Reesodus wirksworthensis

Blattoidea carri

Kirkbyella

Regispongia

Blattoidea juvenis

Kirkella elliptica

Regispongia contorta

Blattoidea lobata

Kirkella indentata

Reimanniopsis

Blattoidea melanderi

Kirkella typicalis

Reimanniopsis indianensis

Blattoidea schucherti

Kirktonecta

Reitlingerina

Blattoidea schuchertiana

Kirktonecta milnerae

Reitlingerina preobrazhenskyi

Blattoidea sellardsi

Kitakamithyris

Remia pinnatifida

Blattoidea sellardsiana

Kitakamithyris booralensis

Remigiomontanus

Blattoprosbole

Kizilia

Remigiomontanus robustus

Blattoprosbole tomiensis

Klebsiella

Renalcis

Blothrocrinus

Klebsiella extincta

Renaultia chaerophylloides

Bobbodus

Kliveria

Reophax

Bobbodus schaefferi

Kliveria incerta

Reteporella

Boesites

Kloedenella

Reteporidra

Boesites (Eoboesites) asianus

Kloedenellitina

Retichonetes

Boesites (Eoboesites) scotti

Klubonibelia

Retichonetes (Sinochonetes) lepidus

Boesites eotexanus

Knightella

Retichonetes gibberulus

Boesites girtyi

Knightella gundyensis

Reticularia

Boesites primoris

Knightella irregularis

Reticularia cooperensis

Boesites texanus

Knightella shumardiana

Reticulariina

Bogdanoceras

Knightina

Reticulariina spinosa

Bogdanoceras bifurcum

Knightina ampla

Reticulatia

Bogoslovskya

Knightina harltoni

Reticulatia americana

Bohemiatupus

Knightinella

Reticulatia huecoensis

Bohemiatupus elegans

Knightinella humerosa

Reticulatia tiawahensis

Bohemiclavulus

Knightites (Retispira) striata

Reticulatisporites

Bohemiclavulus mirabilis

Knightites multicornutus

Reticuloceras

Bohlenatia

Knightoceras

Reticuloceras devium

Boii

Knightoceras lena

Reticuloceras excultum

Boii crassidens

Knightoceras oxylobatum

Reticuloceras instatum

Bojophlebia

Knightoceras patulum

Reticuloceras orientale

Bojophlebia prokopi

Knightoceras subcariniferum

Reticuloceras reticulatum

Bojoptera

Knorria

Reticuloceras surenense

Bojoptera colorata

Knorria imbricata

Reticuloceras tiro

Bollandia

Knoxiella

Reticuloceras wainwright

Bollandia persephone

Knoxina

Reticuloceras wainwrighti

Bollandites

Knoxisporites

Reticulopteris muensteri

Bollandoceras

Kochiproductus

Reticycloceras

Bollandoceras occidentale

Kochiproductus carboniferous

Reticycloceras croneisi

Bollandocrinus

Kochiproductus longlinensis

Reticycloceras girtyi

Boloria

Kochiproductus occidentalis

Reticycloceras peytonense

Boltonia robusta

Kochiproductus peruvianus

Reticycloceras sequoyahense

Boltoniella

Kochiproductus porrectus

Retimarginifera

Boltoniella uniformis

Kochiproductus riojanus

Retispira

Boltonites

Kochopteron

Retispira albapinensis

Boltonites radstockensis

Kochopteron hoffmannorum

Retispira bellireticulata

Boltonoblatta

Koenigoria

Retispira bilabiatus

Boltonoblatta pringlei

Koenigoria paucicostulata

Retispira boltoni

Boltonocosta

Kohlwaldia

Retispira chenmazijingensis

Boltonocosta splendens

Kohlwaldia kuehni

Retispira cincta

Booralia

Koilops

Retispira concinna

Booralia ovata

Koilops herma

Retispira culleni

Borestus

Kokenospira

Retispira decussatus

Borestus costatus

Kollarcephalus

Retispira deflectus

Borestus magdalenensis

Komia

Retispira elegans

Borestus pagoda

Koninckophyllum

Retispira espinasa

Borestus procerus

Koninckophyllum ingavatae

Retispira exilis

Borestus similis

Koninckophyllum interruptum

Retispira fascireticulatus

Borestus texanus

Koninckophyllum magnificum

Retispira hibernicus

Borestus wrighti

Koninckophyllum variabile

Retispira keyniana

Bornatarbus

Koninckopora

Retispira makatikhae

Bornatarbus mayasii

Koninckopora inflata

Retispira marcouianus

Bothriolepis virginiensis

Koskinobigenerina

Retispira meekiana

Bothrodendron

Koskinotextularia

Retispira monronensis

Bothrodendron punctatum

Kozlowskia

Retispira mowensis

Bothrophyllum

Kozlowskia capaci

Retispira multilirata

Bothrophyllum proteum

Kozlowskinia

Retispira multiscalpta

Botrophyllum

Kozlowskinia phyllis

Retispira ningxiaensis

Botrychiopsis

Kraeuselisporites

Retispira nodocostata

Botrychiopsis weissiana

Kralupia

Retispira nodulifera

Botryococcus

Kralupia carbonaria

Retispira nolani

Botryopteris

Krausella

Retispira ordinata

Botryopteris forensis

Kreischeria

Retispira ornatus

Bouhamedites

Kreischeria wiedei

Retispira perelegans

Bouhamedites enigmaticus

Krotovia

Retispira qingshuihensis

Bouhamedites insalahensis

Krotovia elegans

Retispira reticulata

Bouleites

Krotovia latisulcata

Retispira subtilistriata

Bouleites latipennis

Krotovia longlinensis

Retispira tenuilineata

Bourbonnella

Krotovia pustulata

Retispira textiliformis

Bourbonnella jocelynae

Kueichouphyllum

Retispira textilis

Bowmanites

Kueichouphyllum sinense

Retispira triangularis

Brabeocrinus

Kueichouphyllum yabei

Retispira undata

Brabeocrinus christinae

Kullmannissites

Retispira waverliensis

Brachycycloceras

Kullmannissites pachyspineus

Retispira yochelsoni

Brachycycloceras curtum

Kunguroblattina schmitzi

Retispora

Brachycycloceras normale

Kushanites

Retites

Brachycycloceras washingtonense

Kushanites kirgizorum

Retites extremus

Brachydectes newberryi

Kusinia

Retites obscurus

Brachygerarus

Kusinia falcifera

Retites ortivus

Brachygerarus anae

Kustaria

Retites semiretia

Brachymetopus

Kustaria carbonaria

Retroplexus

Brachymetopus (Acutimetopus) jesenicianus

Kustia

Retshitsella

Brachymetopus pseudometopina

Kustia bohemica

Retshitsella egorovi

Brachymetopus strzeleckii

Kutorginella

Retusotriletes

Brachymylacris

Kutorginella lasallensis

Retusotriletes anfractus

Brachymylacris bassleri

Kutorginella mosquensis

Retzia

Brachymylacris elongata

Kyklopora

Reversocypris

Brachymylacris martini

Kyndalynia

Reviya

Brachymylacris nodulata

Kyndalynia inflata

Rhabdocrinus

Brachymylacris rotundata

Kyoconocardium

Rhabdomeson

Brachypyge

Kyoconocardium meekanum

Rhabdomeson rhombiferum

Brachypyge carbonis

Kyrinion

Rhabdoptilus

Brachythyrina

Kyrinion martilli

Rhabdoptilus edwardsi

Brachythyrina abnormalis

Labriproductus

Rhabdotocochlis

Brachythyrina lata

Lacertasterias

Rhabdotocochlis rugata

Brachythyrina rectangula

Lacertasterias elegans

Rhabdotocochlis turgida

Brachythyrina strangwaysi

Lacoea

Rhabdoxylon

Brachythyris

Lacoea seriata

Rhabdoxylon dichotomum

Brachythyris chouteauensis

Laevidentalium

Rhacophyton

Brachythyris ellipsoideus

Laevigatosporites

Rhacopteris

Brachythyris solida

Laevigatosporites vulgaris

Rhadinichthys

Brachythyris ufensis

Lafonius

Rhadinichthys angustulus

Bradyina

Lafonius lehmani

Rhadinichthys brevis

Bradyina cribrostomata

Lagarodus

Rhadinichthys carinatus

Bradyphyllum

Lagarodus angustus

Rhadinichthys elegantulus

Bradyphyllum bellicostatum

Lagarodus specularis

Rhadinichthys macconochii

Bradyphyllum coagmentum

Lagenammina

Rhadinichthys ornatissimus

Brahmacrinus

Lagenospermum

Rhaphidiopsis

Branchierpeton

Lagenostoma

Rhaphidiopsis diversipenna

Branchierpeton saalense

Lagenostoma ovoides

Rhaphischisma

Branchierpeton saberi

Lambdarina

Rhaphischisma planorbiformis

Branchiosaurus

Lameereites

Rhenogriffides

Branchiosaurus darrahi

Lameereites curvipennis

Rhetinangium

Branchiosaurus salamandroides

Lamellosathyris

Rhetinangium arberi

Branchipusites

Lampadosocrinus

Rhineoderma

Branchipusites anthracinus

Lamproptilia

Rhineoderma dinglensis

Branneroceras

Lamproptilia grandeuryi

Rhineoderma gemmuliferum

Branneroceras branneri

Lamproptilia tenuitegminata

Rhineoderma hotwellsensis

Branneroceras hillsi

Lamprosterigma

Rhineoderma nodulostriata

Branneroceras nicholasi

Lanecrinus

Rhineoderma nystii

Bransonella

Langepis

Rhineoderma piasaensis

Bransonella lingulata

Langepis campbelli

Rhineoderma radula

Bransonella nebraskensis

Lanopora

Rhineoderma wortheni

Bransonella tridentata

Lanopora eximia

Rhipidioptera

Brasilioproductus

Lapparentiella

Rhipidioptera elegans

Breileenia

Lapparentiella superba

Rhipidomella

Breileenia radiata

Larryia

Rhipidomella burlingtonensis

Breimeriblastus

Larryia osterbergi

Rhipidomella carbonaria

Breimeriblastus gracilis

Lasanocrinus

Rhipidomella diminutiva

Breimeriblastus pyramidalis

Lasanocrinus daileyi

Rhipidomella dubia

Brevibelus

Lasanocrinus minutus

Rhipidomella fortimuscula

Brevibelus breviformis

Lasanocrinus multinodulus

Rhipidomella lyelliana

Brevikites

Lasanocrinus nodatus

Rhipidomella michelini

Brevikites densus

Lasanocrinus strigosus

Rhipidomella missouriensis

Brevikites inops

Laschmaspira

Rhipidomella parva

Breviphillipsia

Laschmaspira rara

Rhipidomella pecosi

Breyeria

Laspeyresiella

Rhipidomella penniana

Breyeria barborae

Laspeyresiella wettinensis

Rhipidomella perminuta

Breyeria bistrata

Latentifistula

Rhipidomella tenuicostata

Breyeria borinensis

Latiendothyra

Rhipidomella thiemei

Breyeria boulei

Latiglobusia

Rhizodopsis

Breyeria brauckmanni

Latiproductus

Rhizodopsis robusta

Breyeria delruei

Latzelia

Rhizodopsis sauroides

Breyeria janseni

Latzelia primordialis

Rhizodus

Breyeria lachlani

Laudonocrinus

Rhizodus gracilis

Breyeria limburgica

Lawrenciella

Rhizodus hibberti

Breyeria rappi

Lawrenciella schaefferi

Rhodea

Breyeria sharovi

Laxifenestella

Rhodea subpetiolata

Breyeria solida

Laxifenestella stschugorensis

Rhodea trichomanoides

Breyeria triramosa

Lazarevia

Rhodocrinites

Breyeria vrankeni

Lazarevia stepanowensis

Rhombocladia

Breyeriodes

Leaia

Rhombopora

Breyeriodes kliveri

Leaia baentschiana

Rhombopora bifurcata

Bridgerocrinus discus

Leaia buntschiana

Rhombopora corticata

Brittsia

Leaia herriana

Rhombopora cylindrica

Brittsia problematica

Lebachia

Rhombopora hexagona

Brochocarina

Lebedictya

Rhombopora johnsvalleyensis

Brodia

Lebetocrinus

Rhombopora lepidodendroides

Brodia jogginsensis

Lecocrinus

Rhombopora nitidula

Brodia priscotincta

Lecythiocrinus

Rhombotrypella

Brodioptera

Lecythiocrinus asymmetricus

Rhombotrypella dvinensis

Brodioptera cumberlandensis

Leda elliptica

Rhombotrypella rectangulata

Brodioptera pintoi

Leiocephalikon

Rhopocrinus

Brodioptera sinensis

Leiocephalikon problematicum

Rhymmoceras

Brodioptera stricklani

Leiochonetes

Rhymmoceras gracilentum

Brongniartula

Leioclema

Rhymmoceras perlatum

Brongniartula rastrata

Leioclema indentata

Rhymmoceras spatiosum

Brouffia

Leioproductus

Rhymmoceras vermiculatum

Brouffia orientalis

Leiopteria

Rhynchogonium

Bruayaphis

Leiorhynchoidea

Rhynchonella

Bruayaphis oudardi

Leiorhynchus

Rhynchopora

Bruaylogus

Leiorhynchus rockymontanum

Rhynchopora arctica

Bruaylogus magnificus

Leiosphaeridia

Rhynchopora dossena

Bruktererpeton

Leiothycridina

Rhynchopora geinitziana

Bruktererpeton fiebigi

Leiothycridina expansa

Rhynchopora illinoisensis

Brunsia

Leiotriletes

Rhynchopora magnicosta

Bryantodus

Leiotriletes gracilis

Rhynchopora sansabensis

Bryantodus cameratus

Leiotriletes petilus

Rhynchotetra

Bryantodus delicatus

Leiotriletes politus

Rhynchotrema

Bryantodus rugosus

Leipsanon

Rhynchotrema fringilla

Bryantodus strigillatus

Leipsanon reticulatum

Rhynchotreta

Bucania

Lekocrinus

Rhynoleichus

Bucaniopsis calamitoides

Leonardophyllum

Rhytidolepis

Bucanopsis

Leperditia

Rhytiophora

Bucanopsis hibernicus

Lepetopsis

Rhytiophora blairi

Buckhornia

Lepetopsis chesterensis

Rhytiophora calhounensis

Buckhornia carteri

Lepetopsis franae

Richardsonites

Bukkanodus

Lepetopsis levettei

Richardsonites girtyanus

Bukkanodus jesseni

Lepetopsis peregrina

Richardsonites richardsonianus

Bulahdelia

Lepetopsis phillipsi

Richteria

Bulimorpha

Lepetopsis retrorsa

Richterina

Bulimorpha bulimiformis

Lepidasterella

Richterina (Richterina) striatula

Bulimorpha elegans

Lepidasterella montanensis

Richthofenia elegans

Bulimorpha elongata

Lepidocarpon

Ricnodon

Bulimorpha minor

Lepidocarpopsis

Ricnodon copei

Bulimorpha whitfieldi

Lepidocarpopsis lanceolatus

Ricnodon dispersus

Buregia

Lepidodendron

Ricnodon trachylepis

Buteoxylon

Lepidodendron aculeatum

Rigattoptera

Buteoxylon gordonianum

Lepidodendron obovatum

Rigattoptera ornellasae

Buthotrephis

Lepidodendropsis

Rigbyocarpus

Buxtonia

Lepidophloios

Rigbyocarpus ebracteatus

Buxtonia longispina

Lepidophloios laricinus

Rineceras

Buxtonia markamensis

Lepidophylloides

Rineceras canaliculatum

Buxtonia mosquensis

Lepidophylloides intermedium

Rineceras carinatiforme

Buxtonia scabriculoides

Lepidophyllum

Rineceras carinatum

Buxtonioides

Lepidopleurus

Ripidiorhynchus

Buxtonioides itaitubensis

Lepidostrobophyllum

Rishona

Bythiacanthus

Lepidostrobus

Rivularia

Bythocypris

Lepidostrobus majus

Rochdalia

Bythocypris osagensis

Lepidostrobus ornatus

Rochdalia parkeri

Bythocypris tomlinsoni

Leptacanthus

Roemerella

Bythocyproidea

Leptacanthus jenkinsoni

Roemeripora

Bythotrephis

Leptacanthus junceus

Roemeripora wimani

Cactocrinus

Leptaena

Roemerolites

Cacurgellus

Leptaena convexa

Romerodus

Cacurgellus barryi

Leptaena cooperi

Romerodus orodontus

Cacurgulopsis

Leptagonia

Roomeria

Cacurgulopsis sanguinettiae

Leptagonia analoga

Roomeria carbonaria

Cacurgus

Leptalosia

Ropalonaria

Cacurgus avionensis

Leptalosia ovalis

Roquesselsia

Cacurgus spilopterus

Leptalosia scintilla

Rossirhynchus

Caenanoplia

Lepterpeton

Rota

Caenoblatta

Lepterpeton dobbsii

Rota martini

Caenoblatta angaridensis

Leptoblattina

Rotaia

Caenolyroceras

Leptoblattina exilis

Rotasaccus

Caenolyroceras subgloboides

Leptocaryorhynchus

Rothpletzia

Caerorhachis

Leptoconocardium

Rotiphyllum

Caerorhachis bairdi

Leptoconocardium catastomum

Rotiphyllum abnormae

Calamites

Leptodesma

Rotiphyllum asymmetricum

Calamites (Calamitina) goepperti

Leptodesma (Leptodesma) matheri

Rotiphyllum latithecatum

Calamites cannaeformis

Leptodesma (Leptodesma) occidentale

Rotiphyllum voznesenkae

Calamites radiatus

Leptodesma (Leptodesma) potens

Rotoides

Calamites suckowii

Leptodesma (Leptodesma) rhysema

Rotoides imperforata

Calamites undulatus

Leptodesma welleri

Rotoides tretomesota

Calamocarpon

Leptophloeum

Rotopericyclus

Calamocarpon insignis

Leptophloeum australe

Rotopericyclus (Hammatocyclus) brazerensis

Calamopitys

Leptophloeum rhombicum

Rotopericyclus (Rotopericyclus) pinyonensis

Calamopitys saturni

Leptophractus

Rotopericyclus kaufmanni

Calamopteris

Leptophractus obsoletus

Rotopericyclus lubesederi

Calamospora

Leptopora

Rotopericyclus rathi

Calamospora multiplicata

Leptoptygma

Rotopericyclus wendti

Calathiops

Leptoptygma carrizoensis

Rotundopteris

Calathium

Leptoptygma fountainensis

Rotundopteris multimediali

Calathospermum

Leptoptygma golconda

Roundya

Calathospermum scoticum

Leptoptygma newtonensis

Roundyella

Calcifolium

Leptoptygma oligospira

Roundyella bellatula

Calcifolium okense

Leptoptygma simplex

Roundyella simplex

Calcisphaera

Leptoptygma subtilistriatum

Rowleyella

Calcisphaera laevis

Leptoptygma virgatum

Royalella

Calcitornella

Leptotarbus

Royalella quadrolirata

Calcivertella

Leptotarbus torpedo

Royalella swallowiana

Calclamnella

Leptotriticites americanus

Ruedemannia

Calclamnella ramosa

Leptotriticites fivensis

Ruedemannia bembexiformis

Calclyra

Leptotriticites glenensis

Rugauris

Calclyra eiseliana

Leptozyga costata

Rugicostella

Caldenocrinus

Leptozyga minuta

Rugivestis

Caliendrum

Leptozyga venustus

Rugoclostus

Caliendrum vittatum

Lescuropteris

Rugosochonetes

Caligella

Lescuropteris moorii

Rugosochonetes burlingtonensis

Calliasterella

Lethiscus

Rugosochonetes californicus

Calliasterella americana

Lethiscus stocki

Rugosochonetes kansuensis

Callicylix

Levicaulis

Rugosochusenella shagoniensis

Calligenethlon

Levicaulis arranensis

Rusophycus biloba

Calligenethlon watsoni

Levipustula

Rusophycus eutendorfensis

Calliprotonia

Levipustula levis

Rusophycus jenningsi

Callipteridium

Levitusia

Ruthiphiala

Callipteridium sullivanti

Levitusia humerosa

Ruthiromia

Callipteris

Levizygopleura

Ruthiromia elcobriensis

Callispira

Levizygopleura gracilis

Rylstonia

Callispira bellula

Levizygopleura inornata

Saarlandia

Callispira okaensis

Levizygopleura trochus

Saarlandia flexisubcostata

Callispira quinquecostata

Levizygopleura williamsi

Saarodictyum

Callispira tricostata

Liardiphyllum

Saarodictyum abnormis

Callispirina

Librovitschiceras

Saaromioptera

Callispirina ornata

Librovitschiceras atuberculatum

Saaromioptera jordani

Callistadia

Libumella

Saaropteris guthoerli

Callistophyton

Licharewia

Sabella

Callitomaria

Ligonodina

Sabitaptus

Callitomaria tepuelensis

Lilingostrobus

Sabitaptus lagagei

Callixylon trifilievi

Lilingostrobus chaloneri

Saccammina

Callocladia

Limatulina

Saccamminopsis

Calloconularia

Limbella costellata

Saccoglossus

Calloconularia minima

Limbifera

Saccoglossus testa

Callograptus

Limburgina antiqua

Saccosompsis

Calloporina

Limipecten

Saffordotaxis

Calmiussiphyllum

Limipecten araneosus

Sagenodus

Caloneura dawsoni

Limipecten burnettensis

Sagenodus copeanus

Caloneura dawsonii

Limipecten flexiauricularis

Sagenodus cristatus

Caloneurella

Limipecten grandicostatus

Sagenodus inaequalis

Caloneurella carbonaria

Limipecten greerensis

Sagittoceras hathawayanum

Calvustrigis

Limipecten lamellus

Saharaphrentis

Calycocrinus

Limipecten morsei

Saharaphrentis tirechouminoidense

Calycocrinus furnishi

Limipecten multistriatus

Saharonetes

Calycocrinus symmetricus

Limipecten otterensis

Saharopteria

Calygirtyoceras

Limipecten pincombei

Saharopteria sinaitica

Calygirtyoceras arcticum

Limipecten texanus

Saivodus

Calygirtyoceras confusionense

Limnerpeton

Saivodus striatus

Calygirtyoceras darkaouaense

Limnerpeton modestum

Saleelasma

Calygirtyoceras zrigatense

Limnerpeton obtusatum

Salpingostoma dasu

Calyptactis

Limnogyrinus

Salterospira

Calyptactis confragosus

Limnogyrinus elegans

Salterospira chesterensis

Camarium

Limnopus glenshawensis

Salterospira okawensis

Camarophorella

Limnoscelis

Salterospira plectata

Camarophorella dorsata

Limnoscelis dynatis

Salterospira tabulata

Camarophorella lenticularis

Limnoscelis paludis

Saltospirifer

Camarotoechia

Limnostygis

Saltospirifer guevarii

Camerisma

Limnostygis relictus

Samaropsis

Camerisma girtyi

Limoptera

Sampsonocrinus

Camerisma prava

Limopteria

Sandalodus

Campbellospira

Limopteria subalata

Sandalodus minor

Campbellospira conica

Lindstroemella

Sandalodus morrisii

Campophyllum

Lindstroemella patula

Sandia

Campteroneura reticulata

Lindstroemia

Sandiella

Camptochiton

Lineagruan

Sandiella readi

Camptocrinus

Lineagruan judithi

Sandtneria

Camptodiapha

Lineagruan snowyi

Sandtneria gemmata

Camptodiapha atkinsoni

Linguaphillipsia

Sanfordiacaulis densifolia

Camptosperma

Linguaserra

Sanguinolites

Camptosperma berniciense

Lingula

Sanguinolites bisectus

Campylocephalus

Lingula carbonaria

Sanguinolites hekitoensis

Campylocephalus salmi

Lingula ovata

Sanguinolites naiadiformis

Campyloprion

Lingula spatulata

Sanguinolites obliquus

Campyloprion annectans

Lingula squamiformis

Sanguinolites peruvianus

Campyloprion ivanovi

Lingulodiscina

Sanguinolites simulans

Campyloptera

Linipalus

Sanguinolites unioniformis

Campyloptera eatoni

Linipalus magnispinus

Sanguinolites woolnoughi

Canadiphyllum

Linocrinus

Sanjuania