Ctenomys fodax Thomas 1910

Ctenomys fodax Thomas 1910, Ann. Mag. Nat. Hist., ser. 8, 5: 243.

Type Locality: Argentina, Chubut, Lago Blanco (46 o S, 71 o W) .

Vernacular Names: Lago Blanco Tuco-tuco.

Distribution: Known only from the type locality but see comments.

Discussion: Included in magellanicus by Osgood (1943). Karyotype has 2n=28 and FN=42 (Reig et al., 1992). Reig et al. (1992) suggested that a specimen with this karyotype reported by Gallardo (1991) as Ctenomys sp. ( aff. colburni) from Chile Chico on the west shore of General Carrera Lake (46 o 32’S, 71 o 45’W) was actually fodax .