PaleoDB taxon number: 99557
Full reference: H. Howard. 1969. A new avian fossil from Kern County, California. The Condor 71(1):68-69
Sister taxa: none
Type specimen: LACM no. 8927, a limb element (upper end of left coracoid). Its type locality is Pyramid Hill Sand Member grit zone, which is in a Chattian marine sandstone in the Jewett Formation of California.
Ecology: ground dwelling carnivore