Full reference: F. B. Plummer and G. Scott. 1937. Upper Paleozoic ammonites in Texas. The University of Texas Bulletin 3701:1-516
Type specimen: B.E.G. P-8163. Its type locality is B.E.G. 114-T-46, North of Marble Canyon, Hudspeth County, which is in a Moscovian marine shale in the Smithwick Formation of Texas.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell width 18.0, shell diameter 26.5