Aves - Accipitriformes - Accipitridae

Full reference: A. H. Miller and L. V. Compton. 1939. Two fossil birds from the Lower Miocene of South Dakota. The Condor 41(4):153-156

Belongs to Palaeoborus according to A. Wetmore 1956

See also Miller and Compton 1939 and Wetmore 1940

Sister taxa: Palaeoborus howardae, Palaeoborus umbrosus

Type specimen: Univ. Calif. Mus. Pal. no. 34452, a limb element (left ulna). Its type locality is Flint Hill North, which is in a Hemingfordian terrestrial horizon in the Batesland Formation of South Dakota.

Ecology: volant carnivore

Distribution: found only at Flint Hill North

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Specimen images are retrieved through the ePANDDA API.