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Dinohippus

Mammalia - Perissodactyla - Equidae

Synonymy list
YearName and author
1955Dinohippus Quinn p. 43
1986Dinohippus MacFadden p. 468
1988Dinohippus Carroll
1989Dinohippus Prothero and Schoch p. 532
1995Dinohippus Kelly p. 19
1996Dinohippus Prado and Alberdi p. 676
1998Dinohippus MacFadden p. 551

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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
subfamilyEquinae
tribeEquini
genusDinohippus

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.

G. †Dinohippus Quinn 1955
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Dinohippus leardi Drescher 1941
Dinohippus leidyanus Osborn 1918
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Invalid names: Pliohippus edensis Frick 1921 [synonym]
Dinohippus mexicanus Lance 1950
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Invalid names: Equus (Dolichohippus) mesamexicanus Mooser 1973 [synonym], Hippotigris ocotensis Mooser 1958 [synonym], Protohippus muelleri Mooser 1964 [synonym]
Dinohippus osborni Frick 1921
Dinohippus spectans Cope 1880
Dinohippus subvenus Quinn 1955
Diagnosis
ReferenceDiagnosis
J. H. Quinn 1955ze large; fossae not deeply excavlfted, malar fossa small or absent; upper teeth mildly curved, styles heavy with deep valleys; pli protoloph present; preprotoconal. groove deep, protocone elongate, a n d sometimes grooved internally on premolars, post-. protoconal groove , deep; hypoconal groove closed.· at about middle of crown and terminating at tip of hypocone; lower teeth transverse! y compressed; metaconid lai;ge and unrestricted, metastylid small and restricted; flexids large and deep; median valley deeply excavated on molars; hypoconulid of third molar grooved; parastylid weak; no pli caballinid; metaarsals long (240 to 265 mm).