The Tepalcatepec Valley garter snake (Thamnophis postremus) is a species of snake of the family Colubridae. It is found in Mexico.
References
- ^ Ponce-Campos, P.; García Aguayo, A. (2007). "Thamnophis postremus". IUCN Red List of Threatened Species. 2007: e.T63986A12726467. doi:10.2305/IUCN.UK.2007.RLTS.T63986A12726467.en. Retrieved 13 November 2021.
- Species Thamnophis postremus at The Reptile Database