PaleoDB taxon number: 51702
Alternative combinations: Citellus lateralis, Sciurus lateralis
Synonyms: Callospermophilus chrysodeirus Merriam 1890 (no. 44780), Spermophilus chrysodeirus Merriam 1890 (no. 51686)
Belongs to Spermophilus according to B. Kurten and E. Anderson 1980
Sister taxa: 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 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, Citellus ridgwayi, Citellus (Otospermophilus) gidleyi, Citellus (Otospermophilus) argonautus, Citellus (Otospermophilus) bensoni
Ecology: scansorial insectivore
Average measurements (in mm): M1 1.80 x 2.30, M2 1.90 x 2.40, M3 2.20 x 2.20