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Spermophilus cochisei

Osteichthyes - Rodentia - Sciuridae

Discussion

type locality is 20341

Taxonomy
Citellus cochisei was named by Gidley (1922). Its type specimen is USNM 10491, a partial skull (portion of a right maxillary containing all the cheek teeth), and it is a 3D body fossil.

It was recombined as Spermophilus cochisei by Hemming (1956), Shotwell (1968), Kurten and Anderson (1980).

Synonymy list
YearName and author
1922Citellus cochisei Gidley p. 121
1956Spermophilus cochisei Hemming
1963Citellus cochisei Black
1968Spermophilus cochisei Shotwell
1980Spermophilus cochisei Kurten and Anderson p. 214

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
superfamilySciuroidea
familySciuridae
tribeMarmotini
genusSpermophilusCuvier 1825
speciescochisei()

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.

†Spermophilus cochisei Gidley 1922
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: semifossorialg
Diet: granivoref
Diet 2: frugivoref
Reproduction: viviparoussubc
Created: 2012-05-15 10:05:16
Modified: 2012-05-14 21:55:07
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Lillegraven 1979, Fernández et al. 2000, Ji et al. 2002, Carroll 1988, Hendy et al. 2009

Age range: Irvingtonian or 1.40000 to 0.21000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Irvingtonian1.4 - 0.21USA (Arizona) Spermophilus cochisei (20341 20344 20481)