Order Opiliones Sundevall, 1833 - harvestmen Suborder Dyspnoi Hansen & Sørensen, 1904 - ornate harvestmen 1 Superfamily Acropsopilionoidea Roewer, 1923 [monotypic] 2 Superfamily Ischyropsalidoidea Simon, 1879 3 Superfamily Troguloidea Sundevall, 1833