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Hyracodon primus

Mammalia - Perissodactyla - Hyracodontidae

Taxonomy
Hyracodon primus was named by Peterson (1934). Its type locality is Halfway Hollow (Lapoint Member), which is in a Duchesnean terrestrial horizon in the Duchesne River Formation of Utah.

It was synonymized subjectively with Mesamynodon medius by Scott (1945); it was synonymized subjectively with Hyracodon medius by Rasmussen et al. (1999).

Synonymy list
YearName and author
1934Hyracodon primus Peterson
1967Hyracodon primus Radinsky
1984Hyracodon primus Wilson and Schiebout
1996Hyracodon primus Prothero
1998Hyracodon primus Prothero p. 591

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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
classMammalia
RankNameAuthor
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
Ceratomorpha(Wood 1937)
superfamilyRhinocerotoidea
familyHyracodontidaeCope 1879
genusHyracodon
speciesprimusPeterson 1934

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.

Hyracodon primus Peterson 1934
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Diagnosis
No diagnoses are available