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Ramoceros osborni

Mammalia - 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 (Paramoceros) kansanus Frick
1937Ramoceros hitchcockensis Frick
1937Ramoceros osborni Frick p. 328 figs. Figs. 28, 28A (skull), 43 (ramus).
1937Ramoceros (Paramoceros) howardae Frick p. 330 figs. Figs. 33, 34
1937Ramoceros (Paramoceros) kansanus Frick p. 331
1953Ramoceros osborni Galbreath
1998Ramoceros osborni Janis and Manning

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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
Artiodactylamorpha
Artiodactyla()
Ruminantiamorpha
Ruminantia(Scopoli 1777)
Pecora()
familyAntilocapridae
subfamilyMerycodontinae()
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.

Ramoceros osborni Matthew 1904
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Invalid names: Ramoceros (Paramoceros) howardae Frick 1937 [synonym], Ramoceros (Paramoceros) kansanus Frick 1937 [synonym], Ramoceros hitchcockensis Frick 1937 [synonym]
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.