Mammalia - Theriamorpha - Periptychidae

Full reference: J. K. Rigby, Jr. 1980. Swain Quarry of the Fort Union Formation, Middle Paleocene (Torrejonian), Carbon County, Wyoming: geologic setting and mammalian fauna. Evolutionary Monographs 3:1-178

Belongs to Anisonchus according to J. K. Rigby 1980

Sister taxa: Anisonchus athelas, Anisonchus fortunatus, Anisonchus oligistus, Anisonchus onostus, Anisonchus sectorius

Type specimen: Its type locality is Swain Quarry, which is in a Torrejonian terrestrial horizon in the Fort Union Formation of Wyoming

Ecology: ground dwelling herbivore

Distribution: found only at Swain Quarry

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Specimen images are retrieved through the ePANDDA API.