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Equus complicatus

Mammalia - Perissodactyla - Equidae

Taxonomy
Equus complicatus was named by Leidy (1858) [replacement name for "Equus americanus" of Leidy 1847].

It was synonymized subjectively with Equus major by Leidy (1869) and Leidy (1873); it was recombined as Onager (Hesperhippus) complicatus by Quinn (1957).

Synonyms
Synonymy list
YearName and author
1842Equus major DeKay
1847Equus americanus Leidy p. 265
1853Equus americanus Leidy p. 241
1858Equus complicatus Leidy p. 11
1860Equus complicatus Leidy p. 100
1873Equus major Leidy p. 244
1901Equus complicatus Gidley p. 109 fig. 7
1902Equus complicatus Hay p. 622
1903Equus complicatus Gidley
1957Onager (Hesperhippus) complicatus Quinn p. 20
1972Equus complicatus Lundelius, Jr.
1980Equus complicatus Kurten and Anderson p. 290

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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
classMammalia
RankNameAuthor
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
superfamilyEquoidea
familyEquidae
subfamilyEquinae
tribeEquini
genusEquus
speciescomplicatus

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.

Equus complicatus Leidy 1858
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Invalid names: Equus americanus Leidy 1847 [replaced], Equus eous Cope 1895 [synonym], Equus major DeKay 1842 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
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, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Nowak 1999, Hendy et al. 2009, Ji et al. 2002

Age range: base of the Gelasian to the top of the Late/Upper Pleistocene or 2.58800 to 0.01170 Ma

Collections (28 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.9 - 1.8Mexico (Sonora) Equus complicatus (20322)
Gelasian2.588 - 1.806Spain (Granada) Equus major (77773)
Early/Lower Pleistocene2.588 - 0.781Romania Allohippus major (39866)
Pleistocene2.588 - 0.0117USA (Georgia) Equus complicatus (96899)
Pleistocene2.588 - 0.0117USA (Tennessee) Equus complicatus (74246)
Pleistocene2.588 - 0.0117USA (Maryland) Equus complicatus (126660)
Pleistocene2.588 - 0.0117USA (Mississippi) Equus complicatus (162639)
Pleistocene2.588 - 0.0117USA (Louisiana) Equus major (161952)
Pleistocene2.588 - 0.0117USA (Texas) Equus complicatus (85137 85140 156789 207541) Equus sp. (207422 207423)
Irvingtonian1.8 - 0.3Canada (Saskatchewan) Equus complicatus (20563)
Irvingtonian1.8 - 0.3USA (Pennsylvania) Equus complicatus (20354 20479)
Irvingtonian1.8 - 0.3USA (Kansas) Equus complicatus (191915)
Irvingtonian1.8 - 0.3USA (Texas) Equus major (20498)
Middle Pleistocene0.781 - 0.126USA (Virginia) Equus complicatus (104662)
Late/Upper Pleistocene0.126 - 0.0117USA (Virginia) Equus complicatus (104032 104697)
Late/Upper Pleistocene (glacial)0.126 - 0.0117USA (Florida) Equus complicatus (154771)
Late/Upper Pleistocene0.126 - 0.0117USA (Texas) Equus sp. (85142)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Indiana) Equus complicatus (20600)
Late/Upper Pleistocene0.126 - 0.0117USA (Oklahoma) Equus complicatus (216271)
Late/Upper Pleistocene0.126 - 0.0117USA (Missouri) Equus complicatus (93379)
Late/Upper Pleistocene0.126 - 0.0117USA (Florida) Equus complicatus (154773)