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Karakoromys decessus

Osteichthyes - Rodentia - Ctenodactylidae

Taxonomy
Karakoromys decessus was named by Matthew and Granger (1923). Its type specimen is AMNH 19070, a mandible, and it is a 3D body fossil. Its type locality is Loh, which is in an Oligocene terrestrial horizon in the Hsanda Gol Formation of Mongolia. It is the type species of Karakoromys.

Synonymy list
YearName and author
1923Karakoromys decessus Matthew and Granger
1991Karakoromys decessus Wang and Wang
2004Karakoromys decessus Wang and Qiu p. 134

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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
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
superfamilyCtenodactyloidea
familyCtenodactylidaeGervais 1853
subfamilyTataromyinaeLavocat 1961
genusKarakoromys
speciesdecessus

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.

†Karakoromys decessus Matthew and Granger 1923
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-08-26 11:19:58
Modified: 2005-09-02 11:58:27
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Nowak 1999, Ji et al. 2002, Lillegraven 1979

Age range: Early/Lower Oligocene or 33.90000 to 27.30000 Ma

Collections (19 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Oligocene33.9 - 27.3China (Nei Mongol) Karakoromys decessus (34695 174759 175386 175406)
Early/Lower Oligocene33.9 - 27.3China (Xinjiang) Karakoromys decessus (174978 180951 180952)
Early/Lower Oligocene33.9 - 27.3Mongolia (Övörkhangai) Karakoromys decessus (75595 135794 135804 135806 180953 180980 180982 187301 201176)
Early/Lower Oligocene33.9 - 27.3China (Gansu) Karakoromys decessus (77998 182899)
Early/Lower Oligocene33.9 - 27.3Mongolia Karakoromys decessus (type locality: 53979)