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Pseudotomus hians

Mammalia - Rodentia - Ischyromyidae

Taxonomy
Pseudotomus hians was named by Cope (1872). Its type specimen is AMNH 5025, a skull, and it is a 3D body fossil. Its type locality is Cottonwood Creek (Lower Bridger), which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

It was recombined as Plesiarctomys hians by Cope (1883); it was recombined as Paramys hians by Roger (1896), Hay (1902) and Matthew (1910).

Synonyms
Synonymy list
YearName and author
1871Pseudotomus hians Cope p. 467
1872Pseudotomus hians Cope p. 2
1878Paramys superbus Osborn et al.
1883Plesiarctomys hians Cope
1896Paramys hians Roger
1902Paramys hians Hay p. 723
1902Paramys superbus Hay p. 724
1910Paramys hians Matthew
1940Pseudotomus hians Wilson
1949Pseudotomus superbus Wilson
1962Ischyrotomus superbus Wood
1962Pseudotomus hians Wood
1976Ischyrotomus superbus Gazin
1985Pseudotomus hians Korth
2007Pseudotomus hians Dunn and Rasmussen p. 988

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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
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentiaBowdich 1821
familyIschyromyidaeAlston 1876
subfamilyParamyinaeSimpson 1945
tribeManitshiniSimpson
genusPseudotomus
specieshians

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.

Pseudotomus hians Cope 1872
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Invalid names: Paramys superbus Osborn et al. 1878 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2011-05-12 18:22:11
Modified: 2011-05-12 03:22:11
Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum
References: Nowak 1999, Carroll 1988, Lillegraven 1979, Ji et al. 2002, Dunn and Rasmussen 2007, Hendy et al. 2009

Age range: Bridgerian or 50.30000 to 46.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Bridgerian50.3 - 46.2USA (Wyoming) Pseudotomus hians (type locality: 16205)