Molecular phylogenetic examination of the delphinoidea trichotomy: congruent evidence from three nuclear loci indicates that porpoises (Phocoenidae) share a more recent common ancestry with white whales (Monodontidae) than they do with true dolphins (Delphinidae).

@article{Waddell2000MolecularPE,
  title={Molecular phylogenetic examination of the delphinoidea trichotomy: congruent evidence from three nuclear loci indicates that porpoises (Phocoenidae) share a more recent common ancestry with white whales (Monodontidae) than they do with true dolphins (Delphinidae).},
  author={Victor G. Waddell and Michel C. Milinkovitch and Mr. Christopher D. Berube and Michael J. Stanhope},
  journal={Molecular phylogenetics and evolution},
  year={2000},
  volume={15 2},
  pages={314-8}
}
Porpoises (Phocoenidae), dolphins (Delphinidae), and the two species of Monodontidae (beluga and narwhal) together constitute the superfamily Delphinoidea. Although there is extensive evidence supporting the monophyly of this superfamily, previous studies involving morphology, as well as sequence analysis of mitochondrial genes, have failed to yield a clear picture of the relative relationships within the group. Here we present the first examination of this issue from the perspective of single… CONTINUE READING

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