Alternative combinations: Bubo leposteus, Bubo leptosteus
Full reference: O. C. Marsh. 1871. Notice of some new fossil mammals and birds from the Tertiary formation of the West. American Journal of Science 2(8):120-127
Type specimen: Yale University Peabody Museum no512, a limb element (distal end of a left tibia).
Ecology: volant carnivore
Distribution: found only at Grizzly Buttes (Eocene of Wyoming)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.