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Microtus meadensis

Mammalia - Rodentia - Cricetidae

Taxonomy
Pitymys meadensis was named by Hibbard (1944).

It was recombined as Terricola meadensis by Repenning and Brouwers (1992), Wood and Barnosky (1994), Mead et al. (1996) and Bell and Barnosky (2000); it was recombined as Microtus meadensis by van der Meulen (1978), Kurten and Anderson (1980) and Bell and Bever (2006).

Synonymy list
YearName and author
1944Pitymys meadensis Hibbard
1978Microtus meadensis van der Meulen
1980Microtus meadensis Kurten and Anderson p. 259
1983Pitymys meadensis Repenning
1992Terricola meadensis Repenning and Brouwers
1994Terricola meadensis Wood and Barnosky
1996Terricola meadensis Mead et al.
2000Terricola meadensis Bell and Barnosky
2006Microtus meadensis Bell and Bever p. 377

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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()
Mammaliamorpha
Mammaliaformes
classMammalia
RankNameAuthor
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
EuarchontogliresMurphy et al. 2001
GliriformesWyss and Meng 1996
Glires()
Simplicidentata()
orderRodentiaBowdich 1821
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
Eumuroida
familyCricetidaeFischer von Waldheim 1817
subfamilyArvicolinae()
tribeArvicoliniGiebel 1855
genusMicrotusSchrank 1798
speciesmeadensis(Hibbard 1944)

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.

Microtus meadensis Hibbard 1944
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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: 2012-05-15 12:44:05
Modified: 2012-05-14 21:44:05
Source: g = genus, o = order, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Hendy et al. 2009, Nowak 1999, Carroll 1988, Samuels and Van Valkenburgh 2008, Lillegraven 1979

Age range: base of the Middle Pleistocene to the top of the Late/Upper Pleistocene or 0.78100 to 0.01170 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Irvingtonian1.8 - 0.3USA (Nevada) Terricola meadensis (20280)
Irvingtonian1.8 - 0.3USA (South Dakota) Terricola meadensis (20503)
Irvingtonian1.8 - 0.3USA (Texas) Microtus meadensis (20163 20306 20413 20568)
Irvingtonian1.8 - 0.3USA (Colorado) Pitymys meadensis (20349 20477 20559)
Irvingtonian1.8 - 0.3USA (Kansas) Pitymys meadensis (20301 20553 20567)
Irvingtonian1.8 - 0.3USA (California) Pitymys meadensis (20429 20442) Terricola meadensis (20205 26548)
Middle Pleistocene0.781 - 0.126USA (Colorado) Pitymys meadensis (20355 20357 20358 20359 20360 20361 20369 20370)
Late/Upper Pleistocene0.126 - 0.0117Mexico (Mexico) Microtus sp. (227227)