Phodopus campbelli (Thomas, 1905) . Ann. Mag. Nat. Hist., 15:322.

TYPE LOCALITY: Mongolia, Shaborte, 42° 40' N .

DISTRIBUTION: Transbaikalia (U.S. S.R.); Mongolia; Heilungkiang, Inner Mongolia, Hopei, and Sinkiang (China).

COMMENT: Formerly included in sungorus by Ellerman and Morrison-Scott, 1951:627, but see Vorontsov et al., 1967, C. R. Acad. Sci. U.S. S.R., 172(3):703-705, and Galkina et al., 1977, in [Fauna and Systematics of Siberian Vertebrates], Nauka, Novosibirsk, pp. 60-80. Corbet, 1978:89, listed campbelli as a subspecies of sungorus, without comment; Yudin et al., 1979, [Mammals of Altai-Sayan Montane Region], Novosibirsk, p. 156, believed campbelli to be a full species. Gromov and Baranova, 1981: 158, included campbelli in sungorus, without comment.