@article{Nolasco GardunoValdezMondragon2022,
  author    = {Samuel Nolasco Gardu{\~n}o and Alejandro Valdez-Mondrag{\´o}n},
  title     = {Four new species of the spider genus Physocyclus Simon, 1893 (Araneae: Pholcidae) from Mexico, with updated taxonomic identification keys},
  journal   = {European journal of taxonomy},
  volume    = {2022},
  number    = {813},
  pages     = {173 -- 206},
  doi       = {10.5852/ejt.2022.813.1739},
  year      = {2022},
}