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1 See also  





2 References  














Protohippus






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Protohippus
Temporal range: Clarendonian-Hemphillian
~13.6–5.3 Ma

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Protohippus simus skeleton
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Subfamily: Equinae
Tribe: Equini
Genus: Protohippus
Leidy, 1858[1][2]
Type species
Equus (Protohippus) perditus

Leidy, 1858

Protohippus is an extinct three-toed genusofhorse.[3] It was roughly the size of a modern donkey. Fossil evidence suggests that it lived during the Late Miocene (ClarendoniantoHemphillian), from about 13.6 Ma to 5.3 Ma.[4]

Analysis of Protohippus' skull and teeth suggests that it is most closely related to the genus Calippus.[4]

Species include:

See also[edit]

References[edit]

  1. ^ Leidy, Joseph (1858). "Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, collected during the Exploring Expedition of 1857, in Nebraska, under the command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition". Proceedings of the Academy of Natural Sciences of Philadelphia. 10: 20–29. JSTOR 4059296.
  • ^ Leidy, Joseph (1869). "The Extinct Mammalian Fauna of Dakota and Nebraska: Including an Account of Some Allied Forms from Other Localities, Together with a Synopsis of the Mammalian Remains of North America". Journal of the Academy of Natural Sciences of Philadelphia. Ser. 2. 7: 275–279, 401.
  • ^ MacFadden, Bruce J.; Dobie, James L. (1998). "Late Miocene Three-Toed Horse Protohippus (Mammalia, Equidae) from Southern Alabama". Journal of Paleontology. 72 (1): 149–152. Bibcode:1998JPal...72..149M. doi:10.1017/S0022336000024082. JSTOR 1306685. S2CID 132815106.
  • ^ a b Hulbert, Richard C. Jr. (1988). "Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-Early Hemphillian) of the Gulf Coastal Plain" (PDF). Bulletin of the Florida State Museum Biological Sciences. 32 (3): 221–340.

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Protohippus&oldid=1221637239"

    Categories: 
    Miocene horses
    Prehistoric placental genera
    Miocene mammals of North America
    Clarendonian
    Hemphillian
    Fossil taxa described in 1858
    Taxa named by Joseph Leidy
    Equini
    Hidden categories: 
    Articles with short description
    Short description is different from Wikidata
    Articles with 'species' microformats
     



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