Order Opiliones Sundevall, 1833 - harvestmen Phalangida Bristowe, 1949 Suborder Laniatores Thorell, 1876 - armored harvestmen Grassatores Kury, 2002 Superfamily Zalmoxoidea Sørensen, 1886 Family Escadabiidae Kury & Pérez-González, 2003, sedis mutabilis