This dataset contains the digitized treatments in Plazi based on the original journal article Fernández-Badillo, Leonardo, Morales-Capellán, Nallely, González-Bonilla, Giovany Tonatiuh, Canseco-Márquez, Luis, Hernández-Silva, Dante Alfredo (2020): On the Critically Endangered Cofre de Perote Salamander (Isthmura naucampatepetl): discovery of a new population in Puebla, Mexico, and update of its known distribution. Amphibian & Reptile Conservation (e 267) 14 (3): 200-205, DOI: 10.5281/zenodo.11447895