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Trigonias osborni

Mammalia - Perissodactyla - Rhinocerotidae

Taxonomy
Trigonias osborni was named by Lucas (1900) [genotype]. Its type specimen is USNM 3924, a partial skull (the anterior part of the palatal portion of the cranium bearing on the right side three incisors, a canine, and the first three premolars, and on the left side ), and it is a 3D body fossil. It is the type species of Trigonias.

Synonyms
Synonymy list
YearName and author
1900Trigonias osborni Lucas p. 221 figs. 1, 2
1921Trigonias osborni Troxell
1923Trigonias tetradactylum Osborn
1927Trigonias paucidens Wood
1928Caenopus premitis Gregory and Cook
1928Trigonias hypostylus Gregory and Cook
1928Trigonias precopei Gregory and Cook
1928Trigonias preoccidentalis Gregory and Cook
1928Trigonias taylori Gregory and Cook
1931Trigonias hypostylus Wood
1931Trigonias taylori Wood
1931Trigonias cooki Wood p. 425 figs. 3 and 4
1934Procaenopus premitis Figgins
1941Caenopus premitis Scott
1941Trigonias taylori Scott
2005Trigonias osborni Prothero pp. 35-36

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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()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
Ceratomorpha(Wood 1937)
superfamilyRhinocerotoidea
familyRhinocerotidae
genusTrigonias
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
No diagnoses are available