Geophis pyburni

Geophis pyburni, also known as Pyburn's earth snake, is a species of snake in the colubrid family. It is endemic to Mexico. It is only known from its type locality, Rancho La Pastilla in the Sierra de Coalcoman, Michoacan.

The specific name, pyburni, is in honor of American herpetologist William Frank "Billy" Pyburn [fr] (1927–2007).

Geophis pyburni measure 24.7–29.9 cm (9.7–11.8 in) in total length. Tail makes 13–16 % of the total length. The dorsum is dark brown, becoming lighter laterally.