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Astrohippus stockii

Mammalia - Perissodactyla - Equidae

Taxonomy
Pliohippus stockii was named by Lance (1950). Its type specimen is CIT 3576, a partial skeleton, and it is a 3D body fossil. Its type locality is Yepomera, which is in a Hemphillian terrestrial horizon in Mexico.

Synonymy list
No taxonomic opinions are available

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
RankNameAuthor
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderPerissodactyla()
suborderLophodontomorpha
infraorderEuperissodactyla
Hippomorpha
superfamilyEquoidea
familyEquidae
subfamilyEquinaeSteinmann and Döderlein 1890
tribeEquini
genusAstrohippus
speciesstockii

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
O. Mooser 1968 (Astrohippus albidens)Size relatively small for a species of Astrohippus . Lower cheek teeth quite straight . Lower molars and premolars with V-shaped valleys between metaconid and metastylid . Upper molars and premolars with strongly developed styles and elongated protocones.