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Ramoceros osborni

Mammalia - Artiodactyla - Antilocapridae

Taxonomy
Merycodus osborni was named by Matthew (1904). Its type specimen is AMNH 9476, a skeleton, and it is a 3D body fossil. It is the type species of Ramoceros.

It was recombined as Ramoceros osborni by Frick (1937), Galbreath (1953) and Janis and Manning (1998).

Synonyms
Synonymy list
YearName and author
1904Merycodus osborni Matthew p. 107 figs. 1 - 16
1937Ramoceros hitchcockensis Frick
1937Ramoceros howardae Frick
1937Ramoceros kansanus Frick
1937Ramoceros osborni Frick p. 328
1953Ramoceros osborni Galbreath
1998Ramoceros osborni Janis and Manning

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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()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
Ruminantiamorpha
Ruminantia(Scopoli 1777)
Pecora()
familyAntilocapridaeOwen 1841
genusRamoceros
speciesosborni()

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
W. D. Matthew 1904Antlers three-tined in mature, two-tined in a younger adult, bifurcate some distance above burr, and the posterior branch again bifurcate; considerably flattened and expanded at each bifurcation. Teeth less compressed than in M. furcatus and M. necatus, pre- molar not reduced in size. Fore and Hind feet with vestiges of lateral phalanges, but none of the lateral metapodials.