Bivalvia - Cardiida - Kalenteridae

Alternative combination: Pleurophorus albequus

Full reference: J. W. Beede. 1907. Invertebrate paleontology of the Upper Permian Red Beds of Oklahoma and the panhandle of Texas. Kansas University Science Bulletin 4:113-1171

Belongs to Permophorus according to S. S. Winters 1963

Sister taxa: 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 delawarensis, Pleurophorus imbricatus, Pleurophorus lunulus, Pleurophorus overbecki, Pleurophorus quinquecostatus

Ecology: facultatively mobile shallow infaunal suspension feeder

Average measurements (in mm): shell 7.20 x 2.90, valve length 15.2