Cephalopoda - Ammonitida - Cardioceratidae
Alternative spelling: Stenocadoceras
Full reference: R. W. Imlay. 1953. Callovian (Jurassic) ammonites from the United States and Alaska Part 2. Alaska Peninsula and Cook Inlet regions. United States Geological Survey Professional Paper 249-B:41-108
Parent taxon: Cadoceras according to H. Frebold 1964
See also Arkell et al. 1957, Imlay 1953 and Sepkoski 2002
Sister taxa: Cadoceras (Bryocadoceras), Cadoceras (Pseudocadoceras), Cadoceras arcticum, Cadoceras bathomphalum, Cadoceras bellabimba, Cadoceras bodylevskyi, Cadoceras comma, Cadoceras doroschini, Cadoceras falsum, Cadoceras glabrum, Cadoceras kialagvikense, Cadoceras milaschewici, Cadoceras pishmae, Cadoceras septentrionale, Cadoceras sublaeve, Cadoceras tenuicostatum, Cadoceras voronetsae, Cadoceras wosnessenskii
Subtaxa: Cadoceras (Stenocadoceras) bowserense Cadoceras (Stenocadoceras) canadense Cadoceras (Stenocadoceras) iniskinense Cadoceras (Stenocadoceras) multicostatum Cadoceras (Stenocadoceras) pomeroyense Cadoceras (Stenocadoceras) stenoloboide Cadoceras (Stenocadoceras) striatum
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Canada (2: Northwest Territories, Yukon collections), United States (37: Alaska)
Total: 39 collections including 48 occurrences