PaleoDB taxon number: 298117
Full reference: W. L. Manger and W. B. Saunders. 1980. Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent. Paleontological Society Memoir 10:1-56
Type specimen: UA 77-218-41, a shell. Its type locality is Caddo Village, Locality 297, which is in a Morrowan shallow subtidal grainstone in the Golf Course Formation of Oklahoma.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell width 11.7, shell diameter 19.3