Cephalopoda - Ammonitida - Perisphinctidae
Parent taxon: Perisphinctidae according to R. Myczynski 1989
See also Mesezhnikov 1984 and Zeiss 1987
Sister taxa: Albanesiceras, Ammonites heterostrophus, Bajocisphinctes, Choffatiasphinctes, Crussoliceras, Dorsoplanitinae, Euvirgalithacoceras, Franchia, Idoceratinae, Leptosphinctinae, Microbajocisphinctes, Mirosphinctes, Neuqueniceras, Organoceras, Orionoides, Oxysphinctes, Passendorferiinae, Perisphinctinae, Pictoniinae, Praebigotites, Procerites, Proplanulitinae, Prorsisphinctes, Prososphinctinae, Pseudogravesia, Pseudoperisphinctinae, Pseudovirgatitinae, Sicilisphinctes, Siemiradzkia, Sivajiceratinae, Subgrossouvria, Tolvericeras, Vinalesphinctinae, Virgatitinae, Virgatopavlovia, Virgatosphinctinae, Wagnericeras dietrichi, Zenostephanus, Zigzagiceratinae
Subtaxa: Epicephalites Involuticeras Rasenia Subneumayria Zonovia
Type: Aulacostephanus
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of France (1 collection), Germany (2), Poland (1), the Russian Federation (27), Svalbard and Jan Mayen (1), Switzerland (1)
Total: 33 collections including 73 occurrences