Bivalvia - Cardiida - Kalenteridae

Full reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651

Belongs to Pleurophorus according to G. H. Girty 1908

Sister taxa: Permophorus albequus, Permophorus angustus, Permophorus bregeri, Permophorus costatus, Permophorus gregarius, Permophorus guangxingensis, Permophorus lianyuanensis, Permophorus mexicanus, Permophorus oblongus, Permophorus obovatus, Permophorus octocostatus, Permophorus pricei, Permophorus proprius, Permophorus shuangfengensis, Permophorus subcostatus, Permophorus subovalis, Permophorus tenuistriatus, Permophorus triassicus, Permophorus vendiavkiriensis, Pleurophorus tropidophorus, Pleurophorus occidentalis, Pleurophorus imbricatus, Pleurophorus lunulus, Pleurophorus overbecki, Pleurophorus quinquecostatus

Type specimen: Its type locality is USGS 2931 green, Guadalupe Canyon, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas

Ecology: facultatively mobile shallow infaunal suspension feeder

Average measurements (in mm): valve length 35.9