Cephalopoda - Ceratitida - Ceratitidae
Full reference: H. Bucher. 1992. Ammonoids of the Shoshonensis Zone (Middle Anisian, Middle Triassic) from northwestern Nevada (USA). Jahrbuch der Geologischen Bundesanstalt 135:425-465
Belongs to Gymnotoceras according to H. Bucher 1992
Sister taxa: Acrochordiceras foltzense, Gymnotoceras blakei, Gymnotoceras crimicus, Gymnotoceras falcatum, Gymnotoceras ginsburgi, Gymnotoceras inflatum, Gymnotoceras mimetus, Gymnotoceras olenekense, Gymnotoceras rotelliformis, Gymnotoceras sublaqueatum, Gymnotoceras tasaryense, Gymnotoceras weitschati, Gymnotoceras zvetkovi
Type specimen: USNM 448227. Its type locality is Favret Canyon HB 166, Augusta Mountains, which is in a Pelsonian marine horizon in the Favret Formation of Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 51.2
Distribution:
• Triassic of United States (6: Nevada collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.