Order Opiliones Sundevall, 1833 - harvestmen
   Suborder Laniatores Thorell, 1876 - armored harvestmen
     Infraorder Insidiatores Loman, 1900
       1 Family Cladonychiidae Hadži, 1935
       2 Family Pentanychidae Briggs, 1971, nom. illeg. see Family Cladonychiidae Hadži, 1935
       3 Family Synthetonychidae Forster, 1954, orth. inval. see Family Synthetonychiidae Forster, 1954
       4 Family Travuniidae Absolon & Kratochvíl, 1932
       5 Family Triaenonychidae Sørensen, 1886