PBDB Taxon

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Diceratherium armatum

Mammalia - Perissodactyla - Rhinocerotidae

Taxonomy

Diceratherium armatum was named by Marsh (1875) [genotype].

Sister species lacking formal opinion data

D. douvillei

Synonyms

Aceratherium truquianum was named by Cope (1879).

It was recombined as Diceratherium truquianum by Hay (1902) and Peterson (1920); it was considered a nomen dubium by Troxell (1921); it was synonymized subjectively with Diceratherium armatum by Prothero (2005).
Diceratherium gregorii was named by Peterson (1920). Its type locality is AMNH Rosebud 21, which is in a Harrisonian terrestrial horizon in the Harrison Formation of South Dakota.

It was recombined as Metacaenopus gregorii by Troxell (1921); it was synonymized subjectively with Diceratherium armatum by Prothero (2005).
Diceratherium lobatum was named by Troxell (1921).

It was synonymized subjectively with Diceratherium armatum by Green (1958), Albright (1999) and Prothero (2005).

Synonymy list

Year	Name and author
1875	Diceratherium armatum Marsh p. 242
1879	Aceratherium truquianum Cope
1902	Diceratherium armatum Hay p. 644
1902	Diceratherium truquianum Hay p. 644
1920	Diceratherium gregorii Peterson
1920	Diceratherium truquianum Peterson pp. 412-413 fig. 8
1921	Diceratherium lobatum Troxell
1921	Metacaenopus gregorii Troxell
1958	Diceratherium gregorii Green
1960	Diceratherium armatum Wood p. 100
1963	Diceratherium gregorii Macdonald
1970	Diceratherium gregorii Macdonald
2002	Diceratherium armatum Antoine et al.
2005	Diceratherium armatum Prothero p. 51
2010	Diceratherium armatum Antoine et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia

Rank	Name	Author
—	Theriamorpha	(Rowe 1993)
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Panperissodactyla
superorder	Perissodactylamorpha
order	Perissodactyla	()
—	Tapiromorpha	(Haeckel 1873)
—	Ceratomorpha	(Wood 1937)
superfamily	Rhinocerotoidea
family	Rhinocerotidae
subtribe	Elasmotheriina	()
genus	Diceratherium
species	armatum

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.

†Diceratherium armatum Marsh 1875

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Invalid names: Aceratherium truquianum Cope 1879 [synonym], Diceratherium gregorii Peterson 1920 [synonym], Diceratherium lobatum Troxell 1921 [synonym]

Diagnosis

No diagnoses are available