Cephalopoda - Ammonitida - Aulacostephanidae
Synonyms: Odontoceras Steuer 1897, Steueroceras Cossmann 1899 [objective synonym], Tobolia Sasonov 1960
Parent taxon: Aulacostephanidae according to D. Grigore and I. Marcu 2009
See also Arkadiev and Bogdanova 2005, Arkell and Callomon 1963, Arkell et al. 1957, Haas 1960, Mesezhnikov 1984 and Sepkoski 2002
Sister taxa: Gravesia, Gravesiinae, Microbiplices, Pictonia, Prorasenia, Ringsteadia, Vielunia
Subtaxa: Aulacostephanus (Aulacostephanoceras) Aulacostephanus (Aulacostephanoides) Aulacostephanus (Aulacostephanus) Aulacostephanus (Pararasenia) Aulacostephanus erinus Aulacostephanus eudoxus Steueroceras jenkinsi
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Chile (1 collection)
• Jurassic to Cretaceous of the Russian Federation (1)
• Jurassic of Argentina (3), France (1), Germany (2), Romania (1), the Russian Federation (33), Switzerland (2), the United Kingdom (1)
Total: 45 collections including 88 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.