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Pseudhipparion

Mammalia - Perissodactyla - Equidae

Taxonomy
Pseudhipparion was named by Ameghino (1904). It is not extant.

It was synonymized subjectively with Nannippus by Stirton (1940).

It was assigned to Equidae by Ameghino (1904), Webb (1969), Webb and Hulbert (1986) and Carroll (1988); to Hippotheriini by Prothero and Schoch (1989); and to Hipparionini by Kelly (1995), MacFadden (1998) and May (2019).

Synonyms
Synonymy list
YearName and author
1904Pseudhipparion Ameghino
1955Griphippus Quinn p. 42
1969Pseudhipparion Webb
1986Pseudhipparion Webb and Hulbert, Jr.
1988Pseudhipparion Carroll
1989Pseudhipparion Prothero and Schoch p. 532
1995Pseudhipparion Kelly p. 26
1998Pseudhipparion MacFadden p. 547
2019Pseudhipparion May

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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()
RankNameAuthor
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderPerissodactyla()
suborderLophodontomorpha
infraorderEuperissodactyla
Hippomorpha
superfamilyEquoidea
familyEquidae
subfamilyEquinaeSteinmann and Döderlein 1890
tribeHipparionini
genusPseudhipparionAmeghino 1904

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. H. Quinn 1955 (Griphippus)Slightly larger than Calippus; protocones oval and connected to partly disconnected; hypoconal groove closed nearly to summit of crowns; para- stylid present; pli cabal'linid absent or vestigial.