Barbour’s Thin-toed Frog ranges from Costa Rica south into Colombia and east into Venezuela, with the Trinidad the extreme eastern edge of its range. In Trinidad, it has been recorded from the southwest and central portions of the island. This is a lowland species, from forest and swamp margins.
Heyer WR, de Sa RO 2011 Variation, systematics, and relationships of the Leptodactylus bolivianus complex (Amphibia: Anura: Leptodactylidae). Smithsonian Contrib Zoology 635:1-58.