Order Opiliones Sundevall, 1833 - harvestmen Suborder Dyspnoi Hansen & Sørensen, 1904 - ornate harvestmen Superfamily Nemastomatoidea Simon, 1872 see Superfamily Troguloidea Sundevall, 1833 1 Family Dicranolasmatidae Simon, 1879 2 Family Nemastomatidae Simon, 1872 3 Family †Nemastomoididae Petrunkevitch, 1955 4 Family Nipponopsalididae Martens, 1976