Cephalopoda - Ceratitida - Ceratitidae
Full reference: C. Monnet and H. Bucher. 2005. New Middle and Late Anisian (Middle Triassic) Ammonoid Faunas From Northwestern Nevada(USA): Taxonomy and Biochronology. Fossils and Strata 52:1-121
Belongs to Gymnotoceras according to C. Ji and H. Bucher 2018
See also Monnet and Bucher 2005
Sister taxa: Acrochordiceras foltzense, Gymnotoceras blakei, Gymnotoceras crimicus, Gymnotoceras falcatum, Gymnotoceras ginsburgi, Gymnotoceras inflatum, Gymnotoceras mimetus, Gymnotoceras olenekense, Gymnotoceras praecursor, Gymnotoceras rotelliformis, Gymnotoceras sublaqueatum, Gymnotoceras tasaryense, Gymnotoceras zvetkovi
Type specimen: PIMUZ 25292. Its type locality is Rieber Gulch HB 2003, Augusta Mountains, which is in an Illyrian marine horizon in Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 38.6
Distribution:
• Triassic of Canada (3: British Columbia collections), United States (30: Nevada)
Total: 33 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.