Nolasco Samuel, Garduño, and Alejandro Valdez-Mondragón. “Four New Species of the Spider Genus Physocyclus Simon, 1893 (Araneae: Pholcidae) from Mexico, With Updated Taxonomic Identification Keys”. European Journal of Taxonomy 813, no. 1 (April 19, 2022): 173–206. Accessed April 24, 2026. https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/1739.