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The family Gymnophthalmidae is one of the most speciose lineages of lizards in the Neotropical region. Despite recent phylogenetic studies, the species diversity of this family is unknown and thus, its phylogenetic relationships remain unclear and its taxonomy unstable. We analyzed four mitochondrial (12S, 16S, Cytb, ND4) and one nuclear (c-mos) DNA sequences of Pholidobolus anomalus, Cercosaura manicata boliviana and Cercosaura sp., using the maximum likelihood method to give insights into the phylogenetic relationships of these taxa within Cercosaurinae. Our results suggest that Pholidolus anomalus is nested within the clade of Cercosaura spp., that material we collected near Oxapampa belongs to a new species of Cercosaura, and that lizards identified as Cercosaura manicata boliviana belong to a separate lineage, possibly a new genus. We assign Pholidobolus anomalus to Cercosaura, redescribe the species, and designate a neotype to replace the lost holotype. In addition, we describe the new species of Cercosaura, and comment about the taxonomic status of “Cercosaura manicata boliviana”incertae sedis.

A New Species of Andean Gymnophthalmid Lizard (Squamata: Gymnophthalmidae) from the Peruvian Andes, and Resolution of Some Taxonomic Problems