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Equus (Hemionus)

Mammalia - Perissodactyla - Equidae

Taxonomy
Hemionus was named by Stehlin and Graziosi (1935). It is extant.

It was reranked as Equus (Hemionus) by Skinner (1972); it was synonymized subjectively with Equus by Prothero and Schoch (1989).

It was assigned to Equus by Skinner (1972).

Synonymy list
YearName and author
1935Hemionus Stehlin and Graziosi
1972Equus (Hemionus) Skinner p. 123

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
superfamilyEquoidea
familyEquidae
subfamilyEquinae
tribeEquini
genusEquus
subgenusHemionus(Stehlin and Graziosi 1935)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Subg. Equus (Hemionus) Stehlin and Graziosi 1935
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Equus (Hemionus) hemionus Pallas 1775 [onager]
Diagnosis
No diagnoses are available
Measurements
partNmean

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilep
Life habit: ground dwellingg
Diet: grazerg
Reproduction: viviparoussubc
Created: 2005-08-31 14:57:30
Modified: 2009-01-04 13:02:31
Source: g = genus, subc = subclass, subp = subphylum, p = phylum
References: Nowak 1999, Carroll 1988, Kiessling 2004, Lillegraven 1979, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Pleistocene to the top of the Late/Upper Pleistocene or 2.58000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 1.4 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.7 - 1.4USA (Nevada) Equus sp. (19965)
Pleistocene2.58 - 0.0117Israel Equus hemionus (39252)
Pleistocene2.58 - 0.0117India Equus hemionus (237975)
Irvingtonian1.4 - 0.21USA (California) Equus sp. (20128 20294)
Irvingtonian1.4 - 0.21USA (Florida) Equus sp. (20145 20331)
Middle Pleistocene0.774 - 0.129Syria Equus hemionus (67660)
Middle Pleistocene0.774 - 0.129Czechia Equus hemionus (36219)
Middle Pleistocene0.774 - 0.129Türkiye Equus hemionus (43008)
Middle Pleistocene0.774 - 0.129Turkmenistan Hemionus sp. (40695)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117India (Gujarat) Equus hemionus (173345)
Late/Upper Pleistocene0.129 - 0.0117India (Madhya Pradesh) Equus hemionus (13461 13462 13463 13464 13465 13466 13467)
Late/Upper Pleistocene0.129 - 0.0117India Equus hemionus (224310)
Late/Upper Pleistocene (interglacial)0.129 - 0.0117Russian Federation Equus hemionus (79548)
Late/Upper Pleistocene0.129 - 0.0117Israel (Mount Carmel) Equus hemionus (11803)