PaleoDB taxon number: 124679
Full reference: R. W. Shufeldt. 1915. Fossil birds in the Marsh Collection of Yale University. Transactions of the Connecticut Academy of Arts and Sciences 19:1-110
Sister taxa: none
Type specimen: YPM 1030, a set of limb elements. Its type locality is Spanish John Meadow, which is in an Eocene terrestrial horizon in the Brdiger Formation of Wyoming.
Ecology: ground dwelling carnivore