Order Rodentia - Family Sciuridae Author Robert S. Hoffmann Author Charles G. Anderson text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 419 465 book chapter http://doi.org/10.5281/zenodo.7353130 1-56098-217-9 7353130 Spermophilus undulatus (Pallas, 1778) . Nova Spec. Quad. Glir. Ord., p. 122 . TYPE LOCALITY: "Selenga River valley," [Buryat ASSR , Russia ]. DISTRIBUTION: E Kazakhstan ; S Siberia, Transbaikalia ( Russia ); N Mongolia ; Heilungjiang and Xinjiang ( China ). SYNONYMS: altaicus (Brandt, 1841); eversmanni (Brandt, 1841); intercedens (Ognev, 1937); jacutensis ( Brandt, 1844 ); menzbieri (Ognev, 1937) ; stramineus (Obolenskii, 1927) ; transbaikalicus (Obolenskii, 1927). COMMENTS: Subgenus Urocitellus according to Gromov et al. (1965:162) , but see Hall (1981:381) who included Urocitellus in subgenus Spermophilus . Formerly included parryii ( Hall and Kelson, 1959:343 ) ; but see Nadler et al. (1974) and comments under parryii . Chromosomes described by Nadler et al. (1975a) .