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Desmatotherium mongoliense

Mammalia - Perissodactyla - Helaletidae

Taxonomy
Desmatotherium mongoliense was named by Osborn (1923). Its type specimen is AMNH 19161, a maxilla (right maxilla), and it is a 3D body fossil. Its type locality is 23 miles South of Iren Dabasu (AMNH), which is in an Irdinmanhan terrestrial horizon in the Irdin Manha Formation of China.

It was recombined as Helaletes mongoliensis by Osborn (1923), Radinsky (1965) and Reshetov (1979); it was recombined as Irdinolophus mongoliensis by Dashzeveg and Hooker (1997).

Synonymy list
YearName and author
1923Helaletes mongoliensis Osborn
1923Desmatotherium mongoliense Osborn p. 2
1925Desmatotherium mongoliense Matthew and Granger
1965Helaletes mongoliensis Radinsky
1979Helaletes mongoliensis Reshetov
1997Irdinolophus mongoliensis Dashzeveg and Hooker
2017Desmatotherium mongoliense Bai et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
RankNameAuthor
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
Tapiromorpha(Haeckel 1873)
Ceratomorpha(Wood 1937)
superfamilyTapiroideaGill 1872
familyHelaletidaeOsborn 1892
genusDesmatotherium
speciesmongoliense

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingsuperf
Diet: browsersuperf
Reproduction: viviparoussubc
Created: 2005-08-31 15:03:27
Modified: 2005-08-31 17:03:27
Source: superf = superfamily, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Colbert and Schoch 1998, Ji et al. 2002, Hendy et al. 2009

Age range: Middle Eocene or 48.60000 to 37.20000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Irdinmanhan48.6 - 37.2China (Nei Mongol) Desmatotherium mongoliense (type locality: 109067)
Middle Eocene48.6 - 37.2Mongolia Irdinolophus mongoliensis (174909)