The Táchira Antpitta reaches a length of 17 cm. Its upperparts are brownish. Crown and nape are coloured grey. The mantle has black barrings. Throat and ear coverts are brown. It is further characterised by a white malar stripe. The lower belly is whitish, the flanks and the breast have grey barrings.
The Grallaria chthonia is classified as Critically Endangered (CR), facing an extremely high risk of extinction in the wild.
Nothing known about the Grallaria chthonia