Ctenomys yolandae Contreras and Berry 1984

Ctenomys yolandae Contreras and Berry 1984, Resumenes VII Jornadas Argentinas Zoologia, Mar del Plata: 75.

Type Locality: Argentina, Santa Fe Prov., Las Palmas (29o25’S, 59o40’W).

Vernacular Names: Yolanda's Tuco-tuco.

Distribution: Along the Paraná and San Javier Rivers, Santa Fe Prov.

Discussion: Not recognized by Redford and Eisenberg (1992) but listed by Galliari et al. (1996). Karyotype has 2n=50 and FN=78 and shares several chromosomal characteristics with rionegrensis (Ortells et al. 1990) . Distinct in both penial (Balbontin et al., 1996) and sperm morphology (Vitullo et al., 1988).