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Cormohipparion

Cormohipparion
Fossil range: Template:Fossil range
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Subfamily: Equinae
Genus: Cormohipparion
Skinner & MacFadden, 1977
Type species
Hipparion occidentale
Subgenera and Species

Cormohipparion

  • C. (C.) fricki
  • C. (C.) goorisi
  • C. (C.) johnsoni
  • C. (C.) matthewi
  • C. (C.) merriami
  • C. (C.) occidentale
  • C. (C.) quinni
  • C. (C.) skinneri

Notiocradohipparion

  • C. (N.) plicatile
  • C. (N.) ingenuum
  • C. (N.) emsliei

unassigned

  • C. sinapensis

The extinct Cormohipparion was originally described as a new genus of horse, and assigned to the tribe Hipparionini.[1] However it was soon argued that the partial material fell within the range of morphological variation seen in Hipparion, and that the members of Cormohipparion belonged instead within Hipparion.[2] This rested on claims that pre-orbital morphology did not have any taxonomic significance, a claim that detailed study of quarry sections later showed to be false.[3] A reappraisal of many horse genera was thus conducted in 1984,[4] and the proposed synonymy was not acknowledged by later literature.[5]

The genus is considered to represent an ancestor to Hippotherium.[6] Its fossils have been recovered from as far south as Mexico.[7]

References

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  4. MacFadden, BJ (1984). "Systematics and phylogeny of Hipparion, Neohipparion, Nannippus, and Cormohipparion (Mammalia, Equidae) from the Miocene and Pliocene of the new world". American Museum of Natural History 
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  6. Template:Doi
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  7. Template:Doi
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