Ctenomys tulduco Thomas 1921
Ctenomys tulduco Thomas 1921, Ann. Mag. Nat. Hist., ser. 9, 8: 218.
Type Locality: Argentina, San Juan Prov., Los Sombreros, 2700 m.
Vernacular Names: Sierra Tontal Tuco-tuco.
Distribution: Sierra Tontal, San Juan Prov., Argentina.
Discussion: Included in fulvus by Cabrera (1961), but considered provisionally distinct by Contreras et al. (1977) and listed as a distinct species by Galliari et al. (1996).