Equinae

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Short description: Subfamily of mammals

Equinae
Temporal range: Early Miocene–Recent
Przewalski's horse
Scientific classification e
Script error: No such module "Taxobox ranks".: Animalia
Script error: No such module "Taxobox ranks".: Chordata
Script error: No such module "Taxobox ranks".: Mammalia
Script error: No such module "Taxobox ranks".: Perissodactyla
Script error: No such module "Taxobox ranks".: Equidae
Script error: No such module "Taxobox ranks".: Equinae
Steinmann & Döderlein 1890
Tribes

Equini
Hipparionini

Equinae is a subfamily of the family Equidae, known from the Hemingfordian stage of the Early Miocene (16 million years ago) onwards.[1] They originated in North America, before dispersing to every continent except Australia and Antarctica. They are thought to be a monophyletic grouping.[2] Members of the subfamily are referred to as equines; the only extant equines are the horses, asses, and zebras of the genus Equus, with two other genera Haringtonhippus and Hippidion becoming extinct at the beginning of the Holocene, around 11-12,000 years ago.

The subfamily contains two tribes, the Equini and the Hipparionini, as well as two unplaced genera, Merychippus and Scaphohippus. Members of the family ancestrally had three toes, while members of the tribe Equini from the Middle Miocene onwards developed monodactyl feet.[3]

Sister taxa

References

  1. Paleobiology Database: Equinae basic info.
  2. B. J. MacFadden. 1998. Equidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America
  3. Janis, Christine M.; Bernor, Raymond L. (2019-04-12). "The Evolution of Equid Monodactyly: A Review Including a New Hypothesis". Frontiers in Ecology and Evolution 7. doi:10.3389/fevo.2019.00119. ISSN 2296-701X. 

Wikidata ☰ Q5384494 entry





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