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Hypohippus equinus

Mammalia - Perissodactyla - Equidae

Taxonomy
Anchitherium equinum was named by Scott (1893). Its type specimen is 9999 and is a 3D body fossil.

It was recombined as Hypohippus equinus by Beddard (1902), Gidley (1904), Osborn (1904), Gidley (1907), Osborn (1918), Stirton (1940), Henshaw (1942) and MacFadden (1998).

Synonymy list
YearName and author
1893Anchitherium equinum Scott p. 661
1902Hypohippus equinus Beddard
1902Anchitherium equinum Hay p. 615
1904Hypohippus equinus Gidley p. 192
1904Hypohippus equinus Osborn
1905Anchitherium equinum Trouessart
1907Hypohippus equinus Gidley p. 923
1918Hypohippus equinus Osborn p. 203 figs. Text Fig. 167
1932Anchitherium equinum Simpson
1940Hypohippus equinus Stirton p. 175
1942Hypohippus equinus Henshaw
1998Hypohippus equinus 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
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
superfamilyEquoidea
familyEquidae
subfamilyAnchitheriinae()
genusHypohippus()
speciesequinus()

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 equinus Scott 1893
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Diagnosis
ReferenceDiagnosis
W. B. Scott 1893Size equal to that of A. aurelianense, but with teeth relatively larger; lower incisors without enamel pits; humerus with bicipital tubercle and double bicipital groove.
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, Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979

Age range: Hemingfordian or 20.43000 to 15.97000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Hemingfordian20.43 - 15.97Canada (Saskatchewan) Hypohippus equinus (18003 18018)