Microtus limnophilus Büchner, 1889 . Wiss. Res. Przewalski Cent.-Asien. Reis. Zool., I:(Saugeth.), p. 110.

TYPE LOCALITY: China, Qinghai .

DISTRIBUTION: From Qinghai Prov. to W Mongolia.

COMMENTS: Subgenus Pallasiinus, oeconomus species group sensu Zagorodnyuk (1990) . Formerly included in M. oeconomus but separated as a species parapatric with M. oeconomus in W Mongolia (Malygin et al., 1990, and references therein).