Based on the pelage characteristics and results of multivariate and univariate analyses, a new subspecies is described in this study, and a taxonomic revision of Tamiops swinhoei from China is presented. In total, 123 specimens of Tamiops swinhoei were investigated, 48 of which had intact skulls that were subjected to multivariate and univariate analyses. Results indicated that 8 subspecies of T. swinhoei can be recognized in China: T. s. swinhoei of southwestern Sichuan; T. s. vestitus broadly distributes from northeastern Sichuan, southern Gansu, southeastern Ningxia, southern Shaanxi, northwestern Hubei, southern Shanxi, northern Henan, and Hebei to Beijing; T. s. spencei distributes in Mt. Gaoligong, northwestern Yunnan (from northeastern Myanmar to the Nujiang); T. s. russeolus restricts to northwestern Yunnan and southeastern Tibet (between the Lancangjiang and Jinshajiang, south to 27°N); T. s. forresti distributes in northern Yunnan (Lijiang, Dali, and Chuxiong areas); T. s. chingpingensis of southwestern Yunnan; T. s. olivaceous of southern Yunnan; and a new subspecies distributes in northern Sichuan (Markam). Tamiops s. clarkei, from western Yunnan (east of the Nujiang) and eastern Yunnan (Mile) is not a subspecies of T. swinhoei, but may be a subspecies of T. maritimus.
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