Bivalvia - Cardiida - Kalenteridae

Full reference: F. B. Meek. 1875. A report on some of the invertebrate fossils of the Waverly Group and Coal Measures of Ohio. Ohio Geological Survey 2(2):269-347

Belongs to Pleurophorus according to R. D. Hoare 1961

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 occidentalis, Pleurophorus delawarensis, Pleurophorus imbricatus, Pleurophorus lunulus, Pleurophorus overbecki, Pleurophorus quinquecostatus

Ecology: facultatively mobile shallow infaunal suspension feeder

Average measurements (in mm): valve length 10.0