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Duchesneodus

Mammalia - Perissodactyla - Brontotheriidae

Synonymy list
YearName and author
1982Duchesneodus Lucas and Schoch
1988Duchesneodus Carroll
1989Duchesneodus Prothero and Schoch p. 537
1998Duchesneodus Mader p. 531
2008Duchesneodus Mihlbachler p. 413

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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()
familyBrontotheriidae()
subfamilyBrontotheriinaeMarsh 1873
tribeBrontotheriiniMarsh 1873
subtribeBrontotheriinaMarsh 1873
—BrontotheriitaMarsh 1873
genusDuchesneodus

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.

G. †Duchesneodus Lucas and Schoch 1982
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†Duchesneodus uintensis Peterson 1931
Diagnosis
ReferenceDiagnosis
S. G. Lucas and R. M. Schoch 1982Moderately large titanotheres. Length of M 1_/- 3 approximately 150-180 mm; dental formula IiC/P 4--34--3M:13 ; incisors small and round; canines short with round cross-sections; premolars molariform: upper premolars with distinct tetartacones, lower premolars with distinct entoconids; M3 with distinct hypocone; labial faces of lower cheek teeth vertical or nearly vertical; labial cingula absent or very poorly developed on cheek teeth; nasals bearing two small horns that are round to trihedral in cross-section; skull roof with distinct convexity between occiput and orbits; skull mesaticephalic.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 14:53:16
Modified: 2005-08-31 16:53:16
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Lillegraven 1979, Mader 1998

Age range: base of the Early/Lower Eocene to the top of the Duchesnean or 55.80000 to 37.00000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene55.8 - 48.6USA (Utah) Teleodus uintensis (16859)
Uintan46.2 - 39.7USA (California) D. sp. (16510 16603)
Uintan46.2 - 39.7USA (Utah) Protitanotherium sp. (16531)
Duchesnean39.7 - 37.0USA (South Dakota) Teleodus thyboi (16823 16825)
Duchesnean39.7 - 37.0USA (Utah) Teleodus uintensis (16861)
Duchesnean39.7 - 37.0USA (New Mexico) Teleodus uintensis (16866 16869 16875)
Duchesnean39.7 - 37.0USA (Texas) D. sp. (16835 16838) D. uintensis (16855 16856 16857) Teleodus sp. (16828)
Duchesnean39.7 - 37.0USA (California) Brontotheriidae indet. (16850) D. californicus (16803 16806 16808 16812) D. sp. (16782) D. uintensis (16844) Teleodus californicus (16810)