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Trigonias wellsi

Mammalia - Perissodactyla - Rhinocerotidae

Taxonomy
Trigonias wellsi was named by Wood (1927). Its type locality is Peanut Peak, which is in a Chadronian terrestrial horizon in the Chadron Formation of South Dakota.

It was synonymized subjectively with Trigonias osborni by Scott (1941).

Synonyms
Synonymy list
YearName and author
1927Trigonias gregoryi Wood
1927Trigonias wellsi Wood
1998Trigonias wellsi Prothero
2005Trigonias wellsi Prothero p. 37

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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
familyRhinocerotidae
genusTrigonias
specieswellsi

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.

†Trigonias wellsi Wood 1927
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Invalid names: Trigonias gregoryi Wood 1927 [synonym]
Diagnosis
No diagnoses are available