Pteronarctos
| Pteronarctos Temporal range: Middle Miocene,  | |
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| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Carnivora | 
| Clade: | Pinnipediformes | 
| Genus: | †Pteronarctos Barnes, 1989 | 
| Species | |
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Pteronarctos is a genus of basal pinnipediform from middle Miocene marine deposits in Oregon.
Two species of Pteronarctos are known, P. goedertae and P. piersoni. Although originally described as a member of Enaliarctidae, cladistic analyses place Pteronarctos as sister to pinnipeds, in the clade Pinnipediformes.