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Hypohippus osborni

Mammalia - Perissodactyla - Equidae

Taxonomy
Hypohippus osborni was named by Gidley (1907). Its type specimen is AMNH 9407, a skeleton, and it is a 3D body fossil. Its type locality is Pawnee Buttes (Upper Beds), which is in a Miocene terrestrial horizon in Colorado.

It was recombined as Anchitherium osborni by Simpson (1932).

Synonymy list
YearName and author
1907Hypohippus osborni Gidley
1918Hypohippus osborni Osborn p. 207 figs. Plates 5.9, 6.4, 35.2,4, 39.8,11, 51.2,5. Text Figs. 51, 168
1932Anchitherium osborni Simpson
1935Hypohippus osborni Scharf
1940Hypohippus osborni Stirton p. 175
1942Hypohippus osborni Henshaw
1946Hypohippus osborni Wallace
1953Hypohippus osborni Galbreath
1998Hypohippus osborni MacFadden p. 545

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
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
subfamilyAnchitheriinae()
genusHypohippus()
speciesosborni

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.

†Hypohippus osborni Gidley 1907
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-31 16:55:50
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Ji et al. 2002, Carroll 1988, Lillegraven 1979, Hendy et al. 2009

Age range: base of the Barstovian to the top of the Clarendonian or 16.30000 to 9.40000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.03 - 5.333USA (Oregon) Hypohippus osborni (18865)
Miocene23.03 - 5.333USA (Colorado) Hypohippus osborni (type locality: 18310)
Hemingfordian20.43 - 15.97USA (Colorado) Hypohippus osborni (17908)
Barstovian16.3 - 12.5Canada (Saskatchewan) Hypohippus osborni (18758 18759 18761 18797)
Barstovian16.3 - 12.5USA (Nevada) Hypohippus osborni (19088 19103)
Barstovian16.3 - 12.5USA (Nebraska) Hypohippus osborni (18090 18164 18192 18208 18209 18248 18275 18284 18442)
Barstovian16.3 - 12.5USA (California) Hypohippus osborni (19548)
Barstovian16.3 - 12.5USA (Oregon) Hypohippus osborni (18809 19017 19019 19092)
Early/Lower Barstovian16.3 - 12.5USA (Montana) Hypohippus osborni (18803)
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Hypohippus pertinax (17904)
Clarendonian12.5 - 9.4USA (Nebraska) Hypohippus osborni (18314 18315)