Abundance: 0.02 to 5.11% (median 0.12%)

Latitudinal range: -38.1° to 72.8°

Habitats: (16) only

Found in 16 samples

Australia: QML796 (Horizon A4) (Late Pleistocene), Amphitheatre Cave (Holocene)

Bolivia: KCH-20 (Holocene)

Canada: Learmonth Site (Holocene), DjPp-8 (level B) (Holocene), Pender Canal Site (trench) (Holocene), Irving-Johnston (Holocene)

Colombia: Aguazuque Occupation 1 (Holocene)

Ecuador: La Chimba (Holocene)

Kenya: Kanapoi (Early Pliocene)

Mexico: Santa Marta rock-shelter (Holocene)

Senegal: Diouboye (Holocene)

Thailand: Li Mae Long (Early Miocene)

United States: North Creek Shelter (Paleoarchaic) (Holocene), Bone Cave (Holocene), Taddlock (Holocene)

See also Anatidae