Cephalopoda - Goniatitida - Adrianitidae

Full reference: T. A. Schiappa, C. Spinosa, and W. S. Snyder. 1995. Nevadoceras, a new Early Permian adrianitid (Ammonoidea) from Nevada. Journal of Paleontology 69(6):1073-1079

Belongs to Nevadoceras according to T. A. Schiappa et al. 1995

Sister taxa: none

Type specimen: SUI 58011. Its type locality is Portuguese Springs, White Pine County, which is in an Artinskian basinal (carbonate) lime mudstone in Nevada.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 16.1, shell diameter 27.0