Flores-Villela, Oscar / McCoy, C. J., ed. (1993). Herpetofauna Mexicana: Lista anotada de las especies de anfibios y reptiles de México, cambios taxonómicos recientes, y nuevas especies. Carnegie Museum of Natural History Special Publication, No. 17.

Zicha O, Hrb J, Maňas M, Novák J, and BioLib contributors. BioLib.cz: Taxonomic tree of plants and animals with photos. 1999 - 2019, https://www.biolib.cz/en/main/

Report on a small collection of amphibians from Veracruz, with a description of a new species of Pseudoeurycea. (1955). Herpetologica, 11, 81–85. https://bionames.org/references/f5bd0ecf296415d74d8d192e9bd91677

Citation

Pseudoeurycea firscheini Shannon & Werler, 1955 in undefined