PaleoDB taxon number: 145754
Full reference: H. Howard. 1982. Fossil birds from Tertiary marine beds at Oceanside, San Diego County, California, with discriptions of two species of the genera Uria and Cepphus (Aves: Alcidae). Contributions in Science, Natural History Museum of Los Angeles County 341:1-15
Type specimen: UCMP 88704, a partial skeleton. Its type locality is Lawrence Canyon 5, which is in a Tortonian estuary/bay sandstone in the San Mateo Formation of California.
Ecology: ground dwelling carnivore