PaleoDB taxon number: 176855
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 427255, a shell. Its type locality is Favret Canyon HB 173, Augusta Mountains, which is in a Pelsonian marine limestone in the Favret Formation of Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell width 15.0, shell diameter 49.6