Requested reference
Slowik, J. (2009). A review of the cellar spider genus Psilochorus Simon 1893 in America north of Mexico (Araneae: Pholcidae). Zootaxa 2144: 1-53. 
-- Show included taxa
Slowik, J. (2009). A review of the cellar spider genus Psilochorus Simon 1893 in America north of Mexico (Araneae: Pholcidae). Zootaxa 2144: 1-53. -- Show included taxa