Gastropoda - Naticoidea - Naticidae

Full reference: M. D. Perrilliat, J. Avendano, F. J. Vega and J. Solé. 2006. Lower Eocene Gastropods from El Bosque Formation, Central Chiapas, Mexico. The Veliger 48(3):151-169

Belongs to Crommium according to M. D. Perrilliat et al. 2006

Sister taxa: Crommium andersoni, Crommium masinguiensis, Crommium palmasensis, Crommium palmerae, Crommium perovatum, Crommium pinyonensis, Crommium pseudowillemeti, Crommium rouaulti, Crommium willemettii

Type specimen: IHN 5220, a shell

Ecology: slow-moving shallow infaunal carnivore

Average measurements (in mm): shell 56.9 x 50.6