Order Opiliones Sundevall, 1833 - harvestmen Suborder Dyspnoi Hansen & Sørensen, 1904 - ornate harvestmen Superfamily Troguloidea Sundevall, 1833 Family †Nemastomoididae Petrunkevitch, 1955 1 Genus †Nemastomoidesᵀ Thévenin, 1901