Evidence from Nuclear DNA Sequences Sheds Light on the Phylogenetic Relationships of Pinnipedia: Single Origin with Affinity to Musteloidea

@inproceedings{Sato2006EvidenceFN,
  title={Evidence from Nuclear DNA Sequences Sheds Light on the Phylogenetic Relationships of Pinnipedia: Single Origin with Affinity to Musteloidea},
  author={Jun J. Sato and Mieczyslaw Wolsan and Hitoshi Suzuki and Tetsuji Hosoda and Yasunori Yamaguchi and Kozue Hiyama and Mari Kobayashi and Shinji Minami},
  booktitle={Zoological science},
  year={2006}
}
Abstract Considerable long-standing controversy and confusion surround the phylogenetic affinities of pinnipeds, the largely marine group of “fin-footed” members of the placental mammalian order Carnivora. Until most recently, the two major competing hypotheses were that the pinnipeds have a single (monophyletic) origin from a bear-like ancestor, or that they have a dual (diphyletic) origin, with sea lions (Otariidae) derived from a bear-like ancestor, and seals (Phocidae) derived from an otter… 
Current status of pinnipeds phylogeny based on molecular and morphological data
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TLDR
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A Total Evidence Phylogeny of the Arctoidea (Carnivora: Mammalia): Relationships Among Basal Taxa
  • J. Finarelli
  • Biology, Environmental Science
    Journal of Mammalian Evolution
  • 2008
TLDR
Phylogenetic positions for fossil taxa indicate that several taxa previously described as early members of extant families (e.g., Bathygale and Plesictis) are likely stem taxa at the base of the Arctoidea.
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