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Diceratherium radtkei

Osteichthyes - Perissodactyla - Rhinocerotidae

Discussion

Diceratherium armatum Green, 1958:591-594 Diceratherium cf. armatum Konizeski and Donohoe, 1958:49 Diceratherium cf. armatum Rasmussen, 1977, p. 412-413 Diceratherium armatum Prothero, 2005, p. 51

Taxonomy
Diceratherium radtkei was named by Prothero and Rasmussen (2008). It is a 3D body fossil. Its type locality is Middle Cabbage Patch Beds, which is in an Arikareean pond horizon in the Renova Formation of Montana.

Sister species lacking formal opinion data
D. aurelianensis, D. douvillei, D. palaeosinense

Synonymy list
YearName and author
2008Diceratherium radtkei Prothero and Rasmussen pp. 325 - 327 figs. 2-7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ceratomorpha(Wood 1937)
superfamilyRhinocerotoidea
familyRhinocerotidae
subtribeElasmotheriina()
genusDiceratherium
speciesradtkei

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 radtkei Prothero and Rasmussen 2008
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Diagnosis
ReferenceDiagnosis
D. R. Prothero and D. L. Rasmussen 2008Largest species of Diceratherium, about 30% larger than D. armatum, the largest species previously known. More massive basal part of the occiput; larger hypoglossal foramen which opens laterally rather than in condyloid fossa; larger postglenoid and mastoid processes; and a higher and more massive zygomatic arch, compared to other species of Diceratherium.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-31 17:08:31
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Lillegraven 1979, Nowak 1991, Carroll 1988, Hendy et al. 2009

Age range: base of the Geringian to the top of the Arikareean or 29.50000 to 18.50000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Geringian29.5 - 24.7USA (South Dakota) Diceratherium armatum (17626)
Arikareean29.5 - 18.5USA (Montana) Diceratherium sp. (type locality: 17543)
Miocene23.04 - 5.333USA (Nebraska) Diceratherium sp. (22630)