Aves - Anseriformes - Anatidae
Alternative combinations: Anas collaris, Marila collaris, Nyroca (Nyroca) collaris, Nyroca collaris
Belongs to Aythya according to J. F. Clements et al. 2017
See also Emslie 1992, Hay 1930, Howard 1946, Howard 1969, Kilmer and Steadman 2016, Steadman and Mead 2010, Wetmore 1940 and Wetmore 1956
Sister taxa: Aythya affinis, Aythya americana, Aythya aretina, Aythya arvernensis, Aythya australis, Aythya ferina, Aythya fuligula, Aythya marila, Aythya novaeseelandiae, Aythya nyroca, Aythya sepulta, Aythya shihuibas, Aythya spatiosa, Aythya valisineria
Ecology: volant herbivore
Distribution:
• Quaternary of Mexico (2 collections), United States (15: Alabama, Florida, Georgia, Ohio, Oregon, Wyoming)
• Blancan of United States (1: Florida)
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.