Carranza, Salvador, and Edward Wade. 2004. “Taxonomic Revision of Algero-Tunisian Pleurodeles (Caudata: Salamandridae) Using Molecular and Morphological Data. Revalidation of the Taxon Pleurodeles Nebulosus (Guichenot, 1850)”. Zootaxa 488 (1). Auckland, New Zealand:1–24. https://doi.org/10.11646/zootaxa.488.1.1.