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Eutypomys thomsoni

Mammalia - Rodentia - Eutypomyidae

Taxonomy
Eutypomys thomsoni was named by Matthew (1905) [genotype]. Its type locality is Quinn Draw (Lower Nodular Zone), which is in an Orellan terrestrial horizon in the Brule Formation of South Dakota. It is the type species of Eutypomys.

Sister species lacking formal opinion data
E. wilsoni

Synonymy list
YearName and author
1905Eutypomys thomsoni Matthew

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderCastorimorpha
superfamilyCastoroideaGray 1821
familyEutypomyidaeMiller and Gidley 1918
genusEutypomys
speciesthomsoni

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.

†Eutypomys thomsoni Matthew 1905
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Nowak 1999

Age range: base of the Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9USA (South Dakota) Eutypomys thomsoni (17007)
Orellan33.9 - 33.3USA (South Dakota) Eutypomys thomsoni (17094 type locality: 17162 17174 163487)
Orellan33.9 - 33.3USA (Nebraska) Eutypomys thomsoni (17164 17168)