Requested reference
Klausen, F. E. (1972). Physocyclus simoni Berland (Araneae, Pholcidae) new to Norway. Norsk Entomologisk Tidsskrift 19: 123-125. -- Show included taxa
Klausen, F. E. (1972). Physocyclus simoni Berland (Araneae, Pholcidae) new to Norway. Norsk Entomologisk Tidsskrift 19: 123-125. -- Show included taxa