Chelicerata Heymons, 1901
   Opiliones Sundevall, 1833 - harvestmen
     Phalangida Bristowe, 1949
       Suborder Laniatores Thorell, 1876 - armored harvestmen
         1 Genus Philacarus Sørensen, 1932
         2 Infraorder Insidiatores Loman, 1900
         3 Infraorder Grassatores Kury, 2002