PaleoDB taxon number: 246698
Full reference: P. W. Houde. 1988. Paleognathous birds from the Early Tertiary of the Northern Hemisphere. Publications of the Nuttall Ornithological Club 22:1-148
Sister taxa: none
Type specimen: USNM 336103, a partial skeleton (Skull, mandible and 9 cervical vertebrae). Its type locality is Tynsky Quarry, which is in a Wasatchian lacustrine - large limestone in the Green River Formation of Wyoming.
Ecology: ground dwelling carnivore