Order Opiliones Sundevall, 1833 - harvestmen
   Phalangida Bristowe, 1949
     Suborder Laniatores Thorell, 1876 - armored harvestmen
       Grassatores Kury, 2002
         Superfamily Gonyleptoidea Sundevall, 1833
           1 Family Stygnopsidae Sørensen, 1932
           2 Family Agoristenidae Šilhavý, 1973
           3.1 Family Stygnidae Simon, 1879
           3.2.1 Family Cryptogeobiidae Kury, 2014
           3.2.2.1 Family Cosmetidae Koch, 1839
           3.2.2.2.1 Family Gonyleptidae Sundevall, 1833
           3.2.2.2.2.1 Family Manaosbiidae Roewer, 1943
           3.2.2.2.2.2 Family Cranaidae Roewer, 1913