Cephalopoda - Ammonoidea - Beyrichitidae
PaleoDB taxon number: 14015
Parent taxon: Beyrichitinae according to E. T. Tozer 1994
Sister taxa: Aghdarbandites, Arctogymnites, Beyrichites, Billingsites, Chiratites, Dixieceras, Eofrechites, Eogymnotoceras, Eudiscoceras, Favreticeras, Frechites, Frechitoides, Gangadharites, Guexites, Gymnotoceras, Hollandites, Kocaelia, Lardaroceras, Nicholsites, Nicomedites, Parafrechites, Philippites, Pleurofrechites, Pseudohollandites, Schreyerites, Serpianites, Trachyornites, Tuchodiceras
Subtaxa: Anagymnotoceras columbianum, Anagymnotoceras dulanense, Anagymnotoceras favretense, Anagymnotoceras ino, Anagymnotoceras spivaki, Anagymnotoceras tozeri, Anagymnotoceras variabilis, Anagymnotoceras varium, Anagymnotoceras wrighti
Ecology: nektonic carnivore