Ochotona koslowi (Büchner, 1894) . Wiss. Reisen. Przewalski Cent. Asien Zool. Th. I: Säugeth., pg. 187.

TYPE LOCALITY: "Dolina Vetrov" [Valley of the Winds; pass between Guldsha Valley and valley of Dimnalyk River, tributary of Chechen, Tarim Basin, Xinjiang, China, 14,000' (37°55'N, 87°50'E)] .

DISTRIBUTION: Arkatag Range, Kunlun Mtns (China).

STATUS: IUCN - Vulnerable. Not found by recent expedition to type locality, but reported at Aqqikkol (37°09'N, 88°U'E)(Zheng, 1986). Listed in "Red Book" of China.

SYNONYMS: Monotypic.