PaleoDB taxon number: 141042
Full reference: P. Brodkorb. 1963. Birds from the Upper Cretaceous of Wyoming. Proceedings of the XIII International Ornithological Congress 55-70
Sister taxon: Cimolopteryx rara
Type specimen: UCMP 53973, a limb element (left coracoid). Its type locality is Bushy Tailed Blowout, which is in a Lancian terrestrial shale in the Lance Formation of Wyoming.
Ecology: ground dwelling carnivore