Order Opiliones Sundevall, 1833 - harvestmen
   Phalangida Bristowe, 1949
     Suborder Laniatores Thorell, 1876 - armored harvestmen
       Grassatores Kury, 2002 see Infraorder Grassatores Kury, 2002
         Superfamily Zalmoxoidea Sørensen, 1886
           1.1 Family Escadabiidae Kury & Pérez-González, 2003
           1.2 Family Guasiniidae González-Sponga, 1997
           1.3 Family Kimulidae Pérez-González, Kury & Alonso-Zarazaga, 2007
           2.1 Family Icaleptidae Kury & Pérez-González, 2002
           2.2.1 Family Fissiphalliidae Martens, 1988
           2.2.2 Family Zalmoxidae Sørensen, 1886