PaleoDB taxon number: 356991
Full reference: I. Weidig. 2010. New Birds from the Lower Eocene Green River Formation, North America. Records of the Australian Museum 62:29-44
Sister taxa: none
Type specimen: USNM 299821, a partial skeleton. 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