- allies)
Incertae sedis: Genus: †Peignictis Clade:
Pinnipedimorpha Genus: †
Pinnarctidion Family: †Enaliarctidae Family: †Semantoridae Clade: Pinnipediformes...
- †Enaliarctidae Mitc**** & Tedford, 1973
Pinnipediformes Berta, 1994 †
Pinnarctidion Barnes, 1979 †Pacificotaria Barnes, 1992 †Pteronarctos Barnes, 1989...
- †Enaliarctos
emlongi Berta, 1991 †
Pinnarctidion rayi Berta, 1994 †
Pinnarctidion bishopi Barnes, 1979 †
Pinnarctidion iverseni Everett, Deméré & Wyss, 2023...
- †Pacificotaria †
Pinnarctidion †Pteronarctos Pinnipedia...
-
Behemotops proteus is also
known from this formation, like the
early seal
Pinnarctidion bishopi. Small-sized s****birds
similar to the
modern genus Calidris...
- †Pacificotaria †
Pinnarctidion †Pteronarctos Pinnipedia...
-
universally agreed to be
close to pinnipeds.
Modern pinnipeds and the
extinct Pinnarctidion have an
expanded coronal gyrus with a
distinctive vertical orientation...
- †Pacificotaria †
Pinnarctidion †Pteronarctos Pinnipedia...
- †Pacificotaria †
Pinnarctidion †Pteronarctos Pinnipedia...
- †Pacificotaria †
Pinnarctidion †Pteronarctos Pinnipedia...
