PaleoDB taxon number: 105109
Full reference: L. D. Martin and C. C. Black. 1972. A new owl from the Eocene of Wyoming. Auk 89(4):887-888
Type specimen: UKMNH No. 16601, a limb element (distal end of left tarsometatarsus). Its type locality is Eostrix martinellii Type Locality, which is in a Lysitean terrestrial horizon in the Wind River Formation of Wyoming.
Ecology: volant carnivore