PaleoDB taxon number: 145749
Full reference: L. B. Kellum and L. W. Mintz. 1962. Cenomanian ammonites from the Sierra de Tlahualilo, Coahuila, Mexico. Contributions from the Museum of Paleontology, University of Michigan 13(10):267-287
Type specimen: UMMP 44723, a shell. Its type locality is Loc. 61-106, Cuenca de Francisco [Indidura Fm], which is in an Albian marine horizon in the Indidura Formation of Mexico.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell 130.8 x 32.3