Cephalopoda - Ceratitida - Ceratitidae
Alternative combinations: Beyrichites rotelliformis, Gymnotoceras rotelliforme
Synonyms: Beyrichites tenuis Smith 1914, Ceratites (Phillipites) argentarius Smith 1914, Ceratites argentarius Smith 1914, Gymnotoceras smithi Tozer 1994, Philippites argentarius Smith 1914
Full reference: F. B. Meek. 1877. Part I. Palaeontology. Report of the Geological Exploration of the Fortieth Parallel 4:1-197
Belongs to Gymnotoceras according to C. Monnet and H. Bucher 2005
See also Bando 1964, Dagis et al. 1996, Hyatt and Smith 1905, Konstantinov 1991, Silberling and Nichols 1982, Smith 1904, Smith 1914, Spath 1934 and Tozer 1994
Sister taxa: Acrochordiceras foltzense, Gymnotoceras blakei, Gymnotoceras crimicus, Gymnotoceras falcatum, Gymnotoceras ginsburgi, Gymnotoceras inflatum, Gymnotoceras mimetus, Gymnotoceras olenekense, Gymnotoceras praecursor, Gymnotoceras sublaqueatum, Gymnotoceras tasaryense, Gymnotoceras weitschati, Gymnotoceras zvetkovi
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 38.5
Distribution:
• Triassic of Canada (5: British Columbia collections), Japan (1), the Russian Federation (13), United States (45: Nevada)
Total: 64 collections including 66 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.