PaleoDB taxon number: 176845
Full reference: H. Bucher. 1988. A new Middle Anisian (Middle Triassic) ammonoid zone from northwestern Nevada. Eclogae Geologicae Helvetiae 81(3):723-762
Type specimen: USNM 427239, a shell. Its type locality is Favret Canyon HB 185, Augusta Mountains, which is in a Pelsonian marine limestone in the Favret Formation of Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell width 12.3, shell diameter 50.4