PaleoDB taxon number: 105642
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
Sister taxa: none
Type specimen: Univ. Calif. Mus. Pal. no. 34456, a limb element (left tarsometatarsus). Its type locality is Flint Hill North, which is in a Hemingfordian terrestrial horizon in the Batesland Formation of South Dakota.
Ecology: volant herbivore