Pinnipedimorpha

Pinnipedimorpha is a clade of arctoid carnivorans that is defined to include the last common ancestor of Phoca and Enaliarctos, and all descendants of that ancestor. Scientists still debate on which lineage of arctoid carnivorans are the closest relatives to the pinnipedimorphs, being more closely related to musteloids.

Pinnipedimorphs
Temporal range: OligoceneHolocene,
Artist reconstruction of Enaliarctos emlongi
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Clade: Pan-Pinnipedia
Clade: Pinnipedimorpha
Berta et al., 1989
Subtaxa
  • Enaliarctidae Mitchell & Tedford, 1973
  • Pinnipediformes Berta, 1994
    • Pinnarctidion Barnes, 1979
    • Pacificotaria Barnes, 1992
    • Pteronarctos Barnes, 1989
    • Pinnipedia Illiger, 1811

Below is an overall phylogeny of the taxa covered in the article followed after a composite tree in Berta et al. (2018) and a total-evidence (combined molecular-morphological) dataset in Paterson et al. (2020):

Amphicynodontidae

Semantoridae

Pinnipedimorpha

Enaliarctidae

Pinnipediformes

Pinnarctidion

Pacificotaria

Pteronarctos

Pinnipedia
Phocoidea

Phocidae

Otarioidea

Desmatophocidae

Odobenidae

Panotariidae

Eotaria

Otariidae

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