A New Centrolenella (Anura) from Ecuador, with Comments on Nuptial Pads and Prepollical Spines in Centrolenella

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Abstract
The first sizeable collection of Centrolenella from the poorly-known Provincia de Cotopaxi, Ecuador, revealed a new species of Centrolenella, C. gemmata. This species is distinguished by a snout that is round in dorsal view and slightly anteroventrally sloping in profile, a light and dark spotted dorsal coloration, spinuled dorsal skin in males, nuptial pads in males, and prepollical spines. The occurrence of nuptial pads and prepollical spines in Centrollenella has been overlooked, and is commented upon. Two types of nuptial pads are reported in the genus Centrolenella, as well as a concealed prepollical spine in both sexes of certain species. C. gemmata appears to be closely related to C. lynchi both sharing a distinctive type of nuptial pad, prepollical spines, and several other features.

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