Cephalopoda - Ammonitida - Stephanoceratidae
Parent taxon: Stephanoceratoidea according to V. V. Mitta 2017
See also Arkell 1952, Arkell et al. 1957, Fernandez-Lopez and Pavia 2015, Majidifard 2015 and Sandoval and Westermann 1986
Sister taxa: Cardioceratidae, Macrocephalitidae, Oecoptychiidae, Otoitidae, Sphaeroceratidae, Tulitidae
Subtaxa: Arkelloceras Cadomitinae Clydoniceratinae Dettermanites Ermoceras Frebolditinae Garantianinae Kosmermoceras Kumatostephanus Lupherites Mollistephaninae Parkinsoniinae Riccardiceras Skolekostephanus Sohlites Stemmatoceras Stephanoceratinae Telermoceras Westermannites
Type: Stephanoceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Australia (2 collections), Canada (6: British Columbia, Nunavut, Yukon), Chile (11), Egypt (13), France (13), Germany (21), Hungary (4), India (1), Iran (14), Italy (7), Kazakhstan (2), Kenya (2), Madagascar (8), Mexico (10), Morocco (1), Poland (21), the Russian Federation (112), Saudi Arabia (102), Spain (7), Switzerland (2), Thailand (1), Tunisia (3), Turkmenistan (17), Ukraine (3), the United Kingdom (6), United States (36: Alaska, California, Idaho, Montana, Oregon, Utah, Wyoming ), Uzbekistan (18)
Total: 443 collections including 758 occurrences