PaleoDB taxon number: 192988
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
Type specimen: USNM 448217. 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 width 12.4, shell diameter 47.0