Abstract

A new species of aquatic frog, Telmatobius philippii, is described in the proximity of Ollagü II Región, Andes range, northern Chile. The new taxon has moderate-sized (46.10-53.70 mm), granular flanks, tongue oval, unnotched; attached anteriorly about 75 % of its length, maxillary and premaxillary teeth present, tadpole with lateral line system conspicuous. The description of the new species is completed with, osteological, chromosomic, ecological and larval information. Telmatobius philippii is compared with other Chilean species of the genus Telmatobius.