West central Texas and slightly across the border into north central Mexico.
Almost always found on limestone rock faces, or hiding in crevices between the rocks.
A small nocturnal frog that reaches no more than 1.5 inches in length. They are light olive with dark speckling on their back and banding on their legs. Often there is a line running from the snout through each eye. Ventrum is pale and unmarked. They have a somewhat flattened head and body.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians