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Diceratherium tridactylum

Mammalia - Perissodactyla - Rhinocerotidae

Taxonomy
Aceratherium tridactylum was named by Osborn (1893). Its type locality is Indian Stronghold (Protoceras Channel), which is in a Whitneyan fluvial sandstone in the Brule Formation of South Dakota.

It was recombined as Caenopus tridactylus by Hay (1902), Osborn and Matthew (1909) and Troxell (1921); it was recombined as Subhyracodon tridactylus by Wood (1927), Stock (1933), Wood (1961), Emry (1987) and Manning (1997); it was recombined as Diceratherium tridactylum by Osborn (1923), Scott (1941), Prothero (1998) and Prothero (2005).

Synonyms
Synonymy list
YearName and author
1893Aceratherium tridactylum Osborn
1894Diceratherium proavitum Hatcher p. 360
1902Caenopus tridactylus Hay
1908Aceratherium tridactylum Douglass p. 265
1908Aceratherium tridactylum Loomis
1909Caenopus tridactylus Osborn and Matthew
1921Caenopus tridactylus Troxell
1923Diceratherium tridactylum Osborn
1927Diceratherium avum Wood
1927Subhyracodon tridactylus Wood
1933Subhyracodon tridactylus Stock
1941Diceratherium tridactylum Scott
1961Subhyracodon tridactylus Wood
1987Subhyracodon tridactylus Emry
1997Subhyracodon tridactylus Manning
1998Diceratherium tridactylum Prothero
2005Diceratherium tridactylum Prothero p. 49

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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()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
Ceratomorpha(Wood 1937)
superfamilyRhinocerotoidea
familyRhinocerotidae
subfamilyDiceratheriinaeDollo 1885
genusDiceratherium
speciestridactylum()

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