This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
Corresponding author (Name, Year)
Ref.: W. J. Arkell. 1952. Jurassic ammonites from Jebel Tuwaiq, central Arabia. Philosophical Transactions of the Royal Society of London, Series B, Biological Sciences 236:241-313
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
J. Sandoval, 2000 - The Middle Jurassic genus Riccardiceras (Otoitidae, Ammonitina) in the Westernmost Tethys: Betic Cordillera and Lusitanian Basin - Revue de Paléobiologie (19), 29-44 (journal article, English)
J. Sandoval, 1986 - The Bajocian (Jurassic) ammonite fauna of Oaxaca, Mexico - Journal of Paleontology (60), 1220-1271 (journal article, )
W. J. Arkell, 1952 - Jurassic ammonites from Jebel Tuwaiq, central Arabia - Philosophical Transactions of the Royal Society of London, Series B, Biological Sciences (236), 241-313 (journal article, English)