Phrynopus tribulosus

One specimen, now a paratype, is an adult female measuring 21 mm (0.83 in) in snout–vent length. The body is slim. The dorsum is finely granular and has elongate dorsolateral warts that form a long discontinuous row without joining to a fold. There is a conspicuous X-shaped mid-dorsal fold. The supratympanic fold is weak and no tympanum is present. The fingers and toes have no fringes, webbing, or discs, but the finger tips are slightly swollen. Dorsal coloration is tan with various diffuse black blotches and bluish-white dorsal granules. There is a bold black mask running from the snout through the eye and over to the sypratympanic area. The flanks and extremities are tan with abundant bluish-white spots. The lower parts are gray and have small, marmorated, brown, and metallic blue blotches.

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