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Hyracotheriinae

Mammalia - Perissodactyla - Equidae

Synonymy list
YearName and author
1881Hyracotheriinae Cope p. 381
1907Hyracotheriinae Gidley p. 867
1919Hyracotheriinae Peterson p. 101
1953Hyracotheriinae McGrew p. 167
1998Hyracotheriinae MacFadden p. 542
2004Hyracotheriinae Lucas and Kondrashov p. 217
2006Hyracotheriinae Franzen

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderPerissodactyla()
suborderLophodontomorpha
infraorderEuperissodactyla
Hippomorpha
superfamilyEquoidea
familyEquidae
subfamilyHyracotheriinae
subfamilyHyracotheriinae

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.

Diagnosis
ReferenceDiagnosis
J. W. Gidley 1907Teeth brachyodont; molariform premolars not more thantwo; digitformula4-3; rudimentaryfifthdigiton hindfot; 1stdigitoffore footnotrepresentedinknownforms. Orbitnotclosedbehind.