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SPECIES Ctenomys mendocinus

Author:Philippi, 1869.
Citation:Arch. Naturgesch., 1: 38.
Common Name:Mendoza Tuco-tuco
Type Locality:Argentina, Mendoza Prov., Mendoza.
Distribution:Eastern slopes of the Andes from Santa Cruz north to Mendoza province (Argentina).
Status:IUCN – Lower Risk (lc).
Comments:Karyotype has 2n=47-48 and FN=75-76 (Massarini et al., 1991b). Cabrera (1961) synonymized bergi, fochi, haigi, juris, azarae, latro, pundti, occultus, and tucumanus under mendocinus. Roig and Reig (1969) considered azarae, latro, and tucumanus distinct from mendocinus based on the results of precipitin tests and Reig and Kiblisky (1969) recognized occultus, latro, and tucumanus as distinct based on strikingly different karyotypes. Several additional forms have been recognized as distinct species, including bergi (Giménez et al., 1999), haigi (Pearson, 1984), and pundti (Reig et al., 1992), based in part on karyotypic differentiation. Galliari et al. (1996) also recognized fochi and juris as species based in part on the lack of justification for their synonymy. A mendocinus group was designated by Massarini et al. (1991a) composed of morphologically similar species: australis, azarae, mendocinus, and porteousi, which all share similar karyotypes. Topotypes of azarae, mendocinus and porteousi have G-band equivalence and these three taxa share a Robertsonian polymorphism, leading Massarini et al. (1998) to suggest that azarae and porteousi may be conspecific with mendocinus.
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