Abundance: 0.01 to 4.38% (median 0.07%)

Latitudinal range: 36.8° to 56.3°

Habitats: (7) only

Found in 7 samples

Canada: Charlie Lake Cave (Zone IV) (Holocene), Keffer (Midden 57, screened) (Holocene), Pender Canal Site (trench) (Holocene), Grassy Bay (Holocene), Irving-Johnston (Holocene)

Spain: Cueva de Nerja (Tardiglacial) (Late Pleistocene), Cueva de Nerja (Early Holocene) (Holocene)

See also Melanitta deglandi, Melanitta fusca, Melanitta nigra, Melanitta sp.