Equini
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Equini is the only living
tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...
of the subfamily
Equinae Equinae is a subfamily of the family Equidae, which have lived worldwide (except Indonesia and Australia) from the Hemingfordian stage of the Early Miocene (16 million years ago) onwards. They are thought to be a monophyletic grouping.B. J. MacFa ...
, which has lived worldwide (except Australia) since the
Hemingfordian The Hemingfordian on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 20,600,000 to 16,300,000 years BP. It is usually considered to overlap the lates ...
stage of the
Middle Miocene The Middle Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene. The sub-epoch lasted from 15.97 ± 0.05 Ma to 11.608 ± 0.005 Ma (million y ...
(16–0 mya).Paleobiology Database: ''Equini'' basic info.
/ref> It is considered to be a
monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...
clade.B. J. MacFadden. 1998. Equidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America


Taxonomy

Tribe: Equini * Genus: † ''
Astrohippus ''Astrohippus'' ("Star horse") is an extinct member of the Equidae tribe Equini, the same tribe that contains the only living equid genus, '' Equus''. Fossil remains have been found in the central United States, Florida, and the Mexican states o ...
'' * Genus: † '' Calippus'' * Genus: † ''
Dinohippus ''Dinohippus'' (Greek: "Terrible horse") is an extinct equid which was endemic to North America from the late Hemphillian stage of the Miocene through the Zanclean stage of the Pliocene (10.3—3.6 mya) and in existence for approximately . Fossi ...
'' * Genus: '' Equus'' – living horses, asses, and zebras * Genus: † ''
Haringtonhippus ''Haringtonhippus'' is an extinct genus of stilt-legged equine from the Pleistocene of North America The genus is monospecific, consisting of the species ''H. francisci'', initially described in 1915 by Oliver Perry Hay as ''Equus francisci''. Pr ...
'' * Genus: † ''
Hippidion ''Hippidion'' (meaning ''little horse'') is an extinct genus of Equinae, equine that lived in South America from the Late Pliocene to the end of the Late Pleistocene (Lujanian), between two million and 11,000 years ago. They were one of two linea ...
'' * Genus: † ''
Onohippidium ''Hippidion'' (meaning ''little horse'') is an extinct genus of equine that lived in South America from the Late Pliocene to the end of the Late Pleistocene (Lujanian), between two million and 11,000 years ago. They were one of two lineages of eq ...
'' * Genus: † ''
Pliohippus ''Pliohippus'' (Greek (, "more") and (, "horse")) is an extinct genus of Equidae, the "horse family". ''Pliohippus'' arose in the middle Miocene, around 15 million years ago. The long and slim limbs of ''Pliohippus'' reveal a quick-footed stepp ...
'' * Genus: † ''
Protohippus ''Protohippus'' is an extinct three-toed genus of horse. It was roughly the size of a modern donkey. Fossil evidence suggests that it lived during the Late Miocene (Clarendonian to Hemphillian), from about 13.6 Ma to 5.3 Ma. Analysis of ''Proto ...
''


References

Equidae Miocene horses Pliocene odd-toed ungulates Pleistocene horses {{paleo-oddtoedungulate-stub