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Spermophilus (ground squirrel)

Mammalia - Rodentia - Sciuridae

Synonyms
Synonymy list
YearName and author
1816Citellus Oken
1825Spermophilus Cuvier
1825Spermophilus Gray p. 342
1980Spermophilus Kurten and Anderson p. 212
1997Spermophilus McKenna and Bell
2003Spermophilus Mercer and Roth
2009Spermophilus Helgen et al.

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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
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
superfamilySciuroidea
familySciuridae
tribeMarmotini
genusSpermophilusCuvier 1825

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.

G. Spermophilus Cuvier 1825 [ground squirrel]
show all | hide all
Spermophilus armatus Kennicott 1863
Spermophilus boothi Hibbard 1972
Spermophilus cochisei Gidley 1922
Spermophilus columbianus Ord 1815 [Columbian ground squirrel]
Spermophilus cragini Hibbard 1941
Spermophilus dotti Hibbard 1954
Spermophilus finlayensis Strain 1966
Spermophilus fricki Hibbard 1942
Spermophilus howelli Hibbard 1941
Spermophilus jerae Sutton and Korth 1995
Spermophilus johnstoni Hibbard 1972
Spermophilus matthewi Black 1963
Spermophilus mcgheei Strain 1966
Spermophilus mckayensis Shotwell 1956
Spermophilus meadensis Hibbard 1941
Spermophilus meltoni Hibbard 1972
Spermophilus primitivus Bryant 1945
Spermophilus rexroadensis Hibbard 1941
Spermophilus russelli Gustafson 1978
Spermophilus shotwelli Black 1963
Spermophilus spilosoma Bennett 1833 [spotted ground squirrel]
Spermophilus tridecemlineatus Mitchell 1821 [thirteen-lined ground squirrel]
Spermophilus tuitus Hay 1921
Spermophilus wilsoni Shotwell 1956
Invalid names: Citellus Oken 1816 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmean

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: semifossorialg
Diet: granivoref
Diet 2: frugivoref
Reproduction: viviparoussubc
Comments: see also Samuels and Van Valkenburgh 2008g
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: Ji et al. 2002, Carroll 1988, Fernández et al. 2000, Lillegraven 1979, Nowak 1991, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the MN 6 to the top of the Holocene or 13.65000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 13.6 Ma

Collections (290 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Miocene23.03 - 5.333USA (Montana) Spermophilus sp. (19000)
Miocene23.03 - 5.333Mexico (Chihuahua) Spermophilus shotwelli (18714)
Miocene23.03 - 5.333USA (Oklahoma) Citellus dotti (18094)
Miocene23.03 - 5.333USA (California) Citellus sp. (19379)
Barstovian15.97 - 13.6Canada (Saskatchewan) Spermophilus sp. (18759)
Barstovian15.97 - 13.6USA (Montana) Citellus primitivus (18894)
Barstovian15.97 - 13.6USA (South Dakota) Spermophilus sp. (18397)
Barstovian15.97 - 13.6USA (Oregon) Citellus ridgwayi (19056)
Barstovian15.97 - 13.6USA (Nebraska) Spermophilus sp. (18284)
Barstovian15.97 - 13.6USA (Wyoming) Spermophilus primitivus (18990)
Early/Lower Barstovian15.97 - 13.6USA (Montana) Spermophilus jerae (18803)
early Late Barstovian15.97 - 13.6USA (Montana) Spermophilus sp. (18848)
Barstovian - Early/Lower Clarendonian15.97 - 10.3USA (Kansas) Spermophilus sp. (18187)
Serravallian13.82 - 11.62Slovakia (Bratislava) Spermophilus bredai (58983)
MN 613.65 - 12.75Slovakia (Bratislava) Spermophilus bredai (69711)
Clarendonian13.6 - 10.3USA (South Dakota) Citellus sp. (18268)
Clarendonian13.6 - 10.3USA (California) Citellus sp. (19380)
Clarendonian13.6 - 10.3USA (Nebraska) Spermophilus cyanocittus (18324 188779)
Clarendonian13.6 - 10.3USA (Oregon) Citellus sp. (18820)
Late/Upper Clarendonian13.6 - 10.3USA (Nebraska) Spermophilus cyanocittus (18066 18327)