List of fossil pinnipedimorphs†Enaliarctos emlongi Berta, 1991 †Pinnarctidion rayi Berta, 1994 †Pinnarctidion bishopi Barnes, 1979 †Pinnarctidion iverseni Everett, Deméré & Wyss, 2023
Pinnipedimorpha†Enaliarctidae Mitchell & Tedford, 1973 Pinnipediformes Berta, 1994 †Pinnarctidion Barnes, 1979 †Pacificotaria Barnes, 1992 †Pteronarctos Barnes, 1989