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Thisbemys medius

Mammalia - Rodentia - Ischyromyidae

Taxonomy
Paramys medius was named by Peterson (1919). Its type specimen is C. M. No. 3048, a partial skull (fragment of maxillary with three teeth and fragment of lower jaw), and it is a 3D body fossil. Its type locality is Myton Pocket, which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.

It was recombined as Thisbemys medius by Wood (1962).

Synonymy list
YearName and author
1919Paramys medius Peterson p. 61
1962Thisbemys medius Wood

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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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
familyIschyromyidaeAlston 1876
genusThisbemys
speciesmedius()

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.

†Thisbemys medius Peterson 1919
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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: Nowak 1999, Hendy et al. 2009, Carroll 1988, Lillegraven 1979, Ji et al. 2002

Age range: Uintan or 46.20000 to 39.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Uintan46.2 - 39.7USA (Utah) Paramys medius (type locality: 16607) Thisbemys medius (16589)