Ctenomys australis Rusconi 1934

Ctenomys australis Rusconi 1934, Rev. Chil. Nat. Hist., 38: 108.

Type Locality: Argentina, Buenos Aires Prov.

Vernacular Names: Southern Tuco-tuco.

Distribution: E Argentina in Buenos Aires Prov.

Conservation: IUCN – Lower Risk (lc).

Discussion: Considered distinct from porteousi by Contreras and Reig (1965) and Roig and Reig (1969). Placed in the mendocinus group by Massarini et al. (1991 a). Karyotype is 2n=48, FN=76 (Massarini et al., 1991 a). In addition, to being the only member of the mendocinus group to have an invariant karyotype, australis exhibts much lower genetic variation than porteousi (Apfelbaum et al., 1991) .