[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Opiliones Sundevall, 1833 - harvestmen
         Phalangida Bristowe, 1949
           Suborder Laniatores Thorell, 1876 - armored harvestmen
             Infraorder Grassatores Kury, 2002
               Superfamily Assamioidea Sørensen, 1884
                 1 Family Assamiidae Sørensen, 1884
                 2 Family Epedanidae Sørensen, 1886
                 3 Family Beloniscidae Kury, Pérez-González & Proud, 2019
                 4 Family Petrobunidae Sharma & Giribet, 2011
                 5 Family Pyramidopidae Sharma, Prieto & Giribet, 2011
                 6 Family Stygnopsidae Sørensen, 1932
                 7 Family Tithaeidae Sharma & Giribet, 2011