Prohesperocyon

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Prohesperocyon[1]
Fossil range: Late Eocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Canidae
Subfamily: Hesperocyoninae
Genus: Prohesperocyon
Wang, 1994
Species: P. wilsoni
Binomial name
Prohesperocyon wilsoni
(Gustafson, 1986)

Prohesperocyon ("before Hesperocyon") is an extinct genus of dog (family Canidae) named by Xiaoming Wang in 1994. Only a single species, Prohesperocyon wilsoni, is recognized. Prohesperocyon inhabited Texas during the late Eocene, approximately 36 million years ago. Prohesperocyon was first described as a new species of the genus Hesperocyon, but Wang placed it in a new genus because it lacks features of the skull and dentition found in all other canids, including Hesperocyon.[1] More recent studies indicate that Prohesperocyon may not even belong to Canidae.[2] Although Prohesperocyon may be the most basal known canid, Hesperocyon appears in the fossil record before Prohesperocyon.

[edit] References

  1. ^ a b Wang, Xiaoming (1994). "Phylogenetic systematics of the Hesperocyoninae". Bulletin of the American Museum of Natural History 221: 1-207. 
  2. ^ Wesley-Hunt, G.D.; Werdelin, L. (2005). "Basicranial morphology and phylogenetic position of the upper Eocene carnivoramorphan Quercygale". Acta Palaeontologica Polonica 50 (4): 837-846. 
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