Abundance: 0.05 to 1.14% (median 0.12%)

Latitudinal range: 29.4° to 56.3°

Habitats: (5) only

Found in 5 samples

Canada: Charlie Lake Cave (Zone IV) (Holocene), Keffer (Midden 57, screened) (Holocene)

Mexico: El Zurdo (Holocene)

United States: Hulme Site (Holocene), Schuiling Cave (Late Pleistocene)

See also Oxyura jamaicensis