Cephalopoda - Ammonitida - Perisphinctidae
Parent taxon: Perisphinctidae according to R. Myczynski 1989
See also Mesezhnikov 1984 and Zeiss 1987
Sister taxa: Albanesiceras, 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 Germany (2 collections), Poland (1), the Russian Federation (27), Svalbard and Jan Mayen (1), Switzerland (1)
Total: 32 collections including 72 occurrences