PaleoDB taxon number: 41528
Synonyms: Citellus Oken 1816 (no. 45132), Citellus (Otospermophilus) Brandt 1844 (no. 367031), Otospermophilus Brandt 1844 (no. 49495)
Parent taxon: Marmotini according to J. M. Mercer and V. L. Roth 2003
Sister taxa: Ammospermophilus, Cynomys, Eutamias, Marmota, Neotamias, Tamias, Spermophilinus
Subtaxa: Citellus (Otospermophilus) argonautus, Citellus (Otospermophilus) bensoni, Citellus (Otospermophilus) gidleyi, Citellus ridgwayi, Spermophilus armatus, Spermophilus beecheyi, Spermophilus boothi, Spermophilus cochisei, Spermophilus columbianus, Spermophilus cragini, Spermophilus cyanocittus, Spermophilus dotti, Spermophilus elegans, Spermophilus finlayensis, Spermophilus franklinii, Spermophilus fricki, Spermophilus howelli, Spermophilus jerae, Spermophilus johnstoni, Spermophilus lateralis, Spermophilus lorisrusselli, Spermophilus matachicensis, Spermophilus matthewi, Spermophilus mcgheei, Spermophilus mckayensis, Spermophilus meadensis, Spermophilus meltoni, Spermophilus mexicanus, Spermophilus parryii, Spermophilus primitivus, Spermophilus rexroadensis, Spermophilus richardsonii, Spermophilus russelli, Spermophilus shotwelli, Spermophilus spilosoma, Spermophilus superciliosus, Spermophilus taylori, Spermophilus townsendii, Spermophilus tridecemlineatus, Spermophilus tuitus, Spermophilus variegatus, Spermophilus wellingtonensis, Spermophilus wilsoni
Ecology: semifossorial insectivore