Abundance: 0.08 to 2.00% (median 1.65%)

Latitudinal range: 32.3° to 67.8°

Habitats: (4) only

Found in 4 samples

Canada: Old Crow River Loc. 11A (square S30E120) (Late Pleistocene)

United States: Polecat Creek (alluvial gravel) (Late Pleistocene), Natural Chimneys (Late Pleistocene), Bogue Chitto Creek (Late Pleistocene)

See also Castoroides