Aves - Charadriiformes - Alcoidae

Full reference: A. Wetmore. 1926. Fossil birds formt he Green River deposits of eastern Utah. Annals of the Carnegie Museum 16(3-4):391-402

Parent taxon: Nautilornithinae according to O. P. Hay 1930

See also Ericson 2000, Lambrecht 1933, Wetmore 1926, Wetmore 1940 and Wetmore 1956

Sister taxa: none

Subtaxa: Nautilornis avus Nautilornis proavitus

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Type: Nautilornis avus

Ecology: ground dwelling carnivore

Distribution: found only at Green River (Eocene of Utah)

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Specimen images are retrieved through the ePANDDA API.