Evidence from milk casein genes that cetaceans are close relatives of hippopotamid artiodactyls.

@article{Gatesy1996EvidenceFM,
  title={Evidence from milk casein genes that cetaceans are close relatives of hippopotamid artiodactyls.},
  author={John Gatesy and Chisato Hayashi and Matthew A. Cronin and Peter Arctander},
  journal={Molecular biology and evolution},
  year={1996},
  volume={13 7},
  pages={
          954-63
        }
}
The inferred transition from terrestrial hoofed mammal to fully aquatic cetacean has been intensively studied with fossil evidence. However, large sections of this remarkable evolutionary sequence are missing. Phylogenetic analysis of extant taxa may help to fill in some of these gaps. In this report, kappa-casein (exon 4) and beta-casein (exon 7) milk protein genes from cetaceans and other placental mammals were PCR-amplified, sequenced, and aligned to previously published sequences… 

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a Cetacea/Hippopotamidae The Blood-Clotting Protein Gene y-Fibrinogen

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More DNA support for a Cetacea/Hippopotamidae clade: the blood-clotting protein gene gamma-fibrinogen.

  • J. Gatesy
  • Biology
    Molecular biology and evolution
  • 1997
Competing interpretations of whale origins are tested through phylogenetic analyses of the blood-clotting protein gene gamma-fibrinogen from cetaceans, artiodactyls, perissodactylS (odd-toed ungulates), and carnivores (cats, dogs, and kin).

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Phylogenetic Relationships of Extinct Cetartiodactyls: Results of Simultaneous Analyses of Molecular, Morphological, and Stratigraphic Data

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Impact of increased character sampling on the phylogeny of Cetartiodactyla (Mammalia): combined analysis including fossils

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Hidden morphological support for the phylogenetic placement of Pseudoryx nghetinhensis with bovine bovids: a combined analysis of gross anatomical evidence and DNA sequences from five genes.

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