Chelicerata Heymons, 1901 Opiliones Sundevall, 1833 - harvestmen Phalangida Bristowe, 1949 Suborder Eupnoi Hansen & Sørensen, 1904 - daddy longlegs Superfamily Phalangioidea Latreille, 1802 Family Sclerosomatidae Simon, 1879 Genus †Amauropilio Mello-Leitão, 1937