Bivalvia - Cardiida - Kalenteridae

Full reference: N. I. Kurushin. 1992. Triasovye Paleogeterodontnye i Geterodontnye Dvustvorki Sibiri [Triassic Paleoheterodont and Heterodont Bivalves of Siberia]. Trudy Instituta Geologii i Geofiziki 742:1-86

Belongs to Permophorus according to N. I. Kurushin 1992

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

Type specimen: TsSGM 950/106, a valve (Right valve). Its type locality is Vendyavkiri River, Buur river basin, Olenek River, which is in a Smithian marine horizon in the Russian Federation.

Ecology: facultatively mobile shallow infaunal suspension feeder

Average measurements (in mm): valve length 25.9