PaleoDB taxon number: 186068
Full reference: H. Bucher. 1992. Ammonoids of the Hyatti Zone and the Anisian transgression in the Star Peak Group, Northwestern Nevada, USA. Palaeontographica Abteilung A 233:137-166
Type specimen: USNM 444095. Its type locality is Coyote Canyon HB 122, North Humboldt Range, which is in a Bithynian offshore limestone/siltstone in the Prida Formation of Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell width 17.1, shell diameter 45.0