Cephalopoda - Ammonitida - Cardioceratidae
Alternative spelling: Pseudocadoceras
Parent taxon: Cadoceras according to A. J. Arthur et al. 1993
See also Arkell et al. 1957, Callomon and Wright 1989, Imlay 1953 and Sepkoski 2002
Sister taxa: Cadoceras (Bryocadoceras), Cadoceras (Stenocadoceras), 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 (Pseudocadoceras) catostoma Cadoceras (Pseudocadoceras) grewingki Pseudocadoceras boreale Pseudocadoceras chinitnense Pseudocadoceras crassicostatum Pseudocadoceras petelini Pseudocadoceras schmidti
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Canada (4: British Columbia collections), the Russian Federation (2), the United Kingdom (3), United States (46: Alaska, California)
Total: 55 collections including 68 occurrences