Full reference: C. Linnaeus. 1758. Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima 1:1-824
Parent taxon: Anseriformes according to B. C. Livezey and R. L. Zusi 2007
See also Brodkorb 1964, Brunet 1970, Cenizo and Agnolín 2010, Cheneval 1984, De Vis 1892, Hay 1930, Hope 2002, Livezey 1997, Mourer-Chauviré et al. 2004, Noriega and Tambussi 2008, Tambussi 1998, Wetmore 1940, Wetmore 1956, Wetmore 1960, Worthy et al. 2017 and Zittel 1890
Sister taxa: Anachronornithidae, Anatalavis, Anatidae, Anhimae, Anseranatidae, Brontornis, Conflicto, Cousteauvia, Danielsavis, Heterochen, Kustokazanser, Naranbulagornis, Nettapterornis, Paakniwatavis, Palaeopapia, Petropluvialis, Presbyornithidae, Romainvillia, Romainvillidae, Telmabatidae, Vegaviidae, Vegavis
Subtaxa: Anatoidea Anseranatoidea Paranyrocidae Presbyornithoidea Ptenornis
Ecology: volant herbivore