PaleoDB taxon number: 166432
Full reference: T. J. Frest, B.F. Glenister, and W.M. Furnish. 1981. Pennsylvanian-Permian Cheiloceratacean ammonoid families Maximitidae and Pseudohaloritidae. The Paleontology Society Memoir 11
Type specimen: SUI 45087. Its type locality is Deadman Canyon, Seven Heart Gap, Apache Mountains, which is in a Capitanian perireef or subreef limestone in the Capitan Formation of Texas.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell width 7.00, shell diameter 12.0