We describe a new species, Telmatobius vilamensis, from Río Vilama, near San Pedro de Atacama, Chile. Previously confused with Telmatobius halli Noble, 1938, this new species is diagnosed by distinct characteristics of the adult and larval morphology and chromosomes. The new species is the southernmost representative of the genus Telmatobius in Chile. Telmatobius halli Noble, 1938 is redescribed, and both taxa are compared with eight Chilean congeners that occur in the Andes.

The Herpetologists' League
2003
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