Full reference: W. P. Woodring. 1964. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (gastropods: Columbellidae to Volutidae). United States Geological Survey Professional Paper 306(C):241-297
Type specimen: USNM 643665, a shell. Its type locality is Woodring Loc. 136 - Sabanita [lower Gatun Fm], which is in a Tortonian marine sandstone in the Gatun Formation of Panama.
Ecology: epifaunal carnivore
Average measurements (in mm): shell 49.2 x 27.7