Cephalopoda - Ammonitida - Stephanoceratidae
Alternative spelling: Stephanoceras (Stemmatoceras)
Parent taxon: Stephanoceratidae according to W. J. Arkell et al. 1957
See also Arkell 1954 and Sepkoski 2002
Sister taxa: Cadomitinae, Clydoniceratinae, Dettermanites, Ermoceras, Frebolditinae, Garantianinae, Kosmermoceras, Kumatostephanus, Lupherites, Mollistephaninae, Parkinsoniinae, Riccardiceras, Skolekostephanus, Sohlites, Stephanoceratinae, Telermoceras, Westermannites
Subtaxa: Stemmatoceras arcicostum Stephanoceras (Stemmatoceras) subcoronatum Stephanoceras (Stemmatoceras) triptolemus
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Australia (2 collections), Iran (1), Spain (1), United States (17: Idaho, Montana, Utah, Wyoming)
Total: 21 collections including 26 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.