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Spermophilus primitivus

Mammalia - Rodentia - Sciuridae

Taxonomy
Citellus primitivus was named by Bryant (1945). Its type specimen is CM 746, a mandible (A right mandibular ramus with a broken incisor, worn cheek teeth, and the basal portion of the vertical ramus), and it is a 3D body fossil.

It was recombined as Otospermophilus primitivus by Barnosky (1986); it was recombined as Spermophilus primitivus by Bryant (1945), Hemming (1956), Shotwell (1968), Wilson and Reeder (1993) and Korth (1994).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1945Citellus primitivus Bryant
1945Spermophilus primitivus Bryant
1945Citellus primitivus Bryant p. 352 figs. P1. 7, Fig. e
1956Spermophilus primitivus Hemming
1963Citellus primitivus Black
1968Spermophilus primitivus Shotwell
1986Otospermophilus primitivus Barnosky
1993Spermophilus primitivus Wilson and Reeder
1994Spermophilus primitivus Korth

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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
RankNameAuthor
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
speciesprimitivus()

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 primitivus Bryant 1945
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Diagnosis
No diagnoses are available