Valdez-Mondragón, A. (2014) “A reanalysis of the morphological phylogeny of the spider genus Physocyclus Simon (Araneae: Pholcidae) with the description of a new species and description of the female of Physocyclus paredesi Valdez-Mondragón from Mexico”, Zootaxa. Auckland, New Zealand, 3866(2), pp. 202–220. doi: 10.11646/zootaxa.3866.2.2.