Ctenomys lewisi Thomas 1926
Ctenomys lewisi Thomas 1926, Ann. Mag. Nat. Hist., ser. 9, 17: 323.
Type Locality: Bolivia, Tarija Dept., Sama, 4,000 m.
Vernacular Names: Lewis' Tuco-tuco.
Distribution: S Bolivia.
Conservation: IUCN – Lower Risk (lc).
Discussion: Closely related to frater (Cook et al., 1990; Cook and Yates, 1994; Lessa and Cook, 1998). May be semi-aquatic (Anderson, pers. comm.). Karyotype has 2n=56 and FN=74 (Cook et al., 1990).