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SPECIES Ctenomys perrensi

Author:Thomas, 1898.
Citation:Ann. Mag. Nat. Hist., ser. 6, 18: 311.
Common Name:Goya Tuco-tuco
Type Locality:Argentina, Corrientes Prov., Goya.
Distribution:Central area of W Corrientes Prov. (NE Argentina).
Status:IUCN Lower Risk (lc).
Comments:See Contreras et al. (1985) for distribution. Specimens from the type locality have karyotypes of 2n=50, FN=84 (Ortells et al., 1990). Specimens taken north of the type locality with FN=84 and 2n=53-56 or 58 were tentatively assigned to this taxon (Ortells et al., 1990; Reig et al., 1992) but specimens from two other localities with FN=84 and 2n=62 were not included. Little or no genetic differentiation and no fixed differences of isozymes were observed among any of the populations with FN=84 from Corrientes Prov., suggesting that these populations are conspecific (Ortells and Barrantes, 1994). Further, no fixed differences of isozymes were observed among perrensi, dorbignyi, and roigi (Ortells and Barrantes, 1994).
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