Ctenomys occultus Thomas, 1920 . Ann. Mag. Nat. Hist., ser. 9, 6:243.

TYPE LOCALITY: Argentina, Monteagudo, 80 km S.E. Tucuman City .

DISTRIBUTION: N. Argentina.

COMMENT: Revised by Reig et al., 1966, Contr. Cient. Fac. Cienc. Exact. Fis. Nat. Univ. Buenos Aires (Zool.), 2:299-352; also see Cabrera, 1961: 552, who included this species in mendocinus .