Full reference: L. G. Barnes. 1990. A new Miocene enaliarctine pinniped of the genus Pteronarctos (Mammalia: Otariidae) from the Astoria Formation, Oregon. Contributions in Science 422:1-20
See also Berta 1994
Sister taxon: Pteronarctos goedertae
Type specimen: LACM 127972. Its type locality is Iron Mountain Bed, which is in a Burdigalian marine sandstone in the Astoria Formation of Oregon.
Ecology: amphibious carnivore
• Miocene of United States (2: Oregon collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.