Date of this Version
Supplementary material to a paper published in the Special Publications / Museum of Texas Tech University (2013).
With approximately 65 nominal species, Ctenomys Blainville, 1826 is one of the most diverse genera of South American hystricognath rodents. Currently, nine species of tuco-tucos have been reported to occur in Bolivia, four at elevations above 2,000 m and five inhabiting the lowlands (< 1,000 m). In the present paper, morphology, karyology, and phylogenetic analyses of DNA sequences for both mitochondrial and nuclear loci were used to assess the taxonomic status of specimens of Ctenomys from localities beyond the previously known ranges of these rodents in the departments of Chuquisaca, Cochabamba, Santa Cruz, and Tarija. Based on these analyses, we describe four new species in the genus Ctenomys, all with ranges within the geopolitical boundaries of the republic of Bolivia.