Order Opiliones Sundevall, 1833 - harvestmen
   Phalangida Bristowe, 1949
     Palpatores Thorell, 1876
       Suborder Eupnoi Hansen & Sørensen, 1904 - daddy longlegs
         Superfamily Caddoidea Banks, 1893 [monotypic]
           Family Caddidae Banks, 1893