Chelicerata Heymons, 1901
   Opiliones Sundevall, 1833 - harvestmen
     Phalangida Bristowe, 1949
       Suborder Laniatores Thorell, 1876 - armored harvestmen
         Infraorder Insidiatores Loman, 1900
           Superfamily Travunioidea Absolon & Kratochvíl, 1932
             1 Family Cladonychidae Edgar, 1990, orth. inval. [monotypic] see Family Cladonychiidae Hadži, 1935
             2 Family Pentanychidae Briggs, 1971, nom. illeg. see Family Cladonychiidae Hadži, 1935
             3 Family Travuniidae Absolon & Kratochvíl, 1932