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Plesippus idahoensis

Mammalia - Perissodactyla - Equidae

Taxonomy
Equus idahoensis was named by Merriam (1918). It is a 3D body fossil. Its type locality is Froman Ferry (UCMP 3036), which is in a Blancan terrestrial horizon in the Glenns Ferry Formation of Idaho.

It was synonymized subjectively with Equus simplicidens by Savage (1951) and Kurten and Anderson (1980); it was considered a nomen dubium by Winans (1985); it was considered a nomen dubium by Kelly (1994); it was recombined as Plesippus idahoensis by Schultz (1936), Shotwell (1970), Repenning et al. (1995), Albright (1999) and Barrón-Ortiz et al. (2019).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1918Equus idahoensis Merriam
1936Plesippus idahoensis Schultz
1940Equus idahoensis Stirton p. 195
1970Plesippus idahoensis Shotwell
1982Equus idahoensis Azzaroli
1993Equus idahoensis Azzaroli and Voorhies
1994Equus idahoensis Downs and Miller
1995Plesippus idahoensis Repenning et al.
1997Equus idahoensis Kelly
1999Plesippus idahoensis Albright
2019Plesippus idahoensis Barrón-Ortiz et al. p. 9

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
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
genusPlesippus
speciesidahoensis()

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.

Plesippus idahoensis Merriam 1918
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Diagnosis
No diagnoses are available