Order Opiliones Sundevall, 1833 - harvestmen
   Phalangida Bristowe, 1949
     Palpatores Thorell, 1876
       Suborder Dyspnoi Hansen & Sørensen, 1904 - ornate harvestmen
         1 Superfamily Acropsopilionoidea Roewer, 1923 [monotypic]
         2.1 Superfamily Ischyropsalidoidea Simon, 1879
         2.2 Superfamily Troguloidea Sundevall, 1833