Nolasco Samuel, G., & Valdez-Mondragón, A. (2022). Four new species of the spider genus Physocyclus Simon, 1893 (Araneae: Pholcidae) from Mexico, with updated taxonomic identification keys. European Journal of Taxonomy, 813(1), 173-206. https://doi.org/10.5852/ejt.2022.813.1739