Order Opiliones Sundevall, 1833 - harvestmen
   Suborder Laniatores Thorell, 1876 - armored harvestmen
     Infraorder Grassatores Kury, 2002
       Superfamily Samooidea Sørensen, 1886
         1 Family Biantidae Thorell, 1889
         2 Family Escadabiidae Kury & Pérez-González, 2003
         3 Family Minuidae Sørensen, 1932, nom. inval. see Family Kimulidae Pérez-González, Kury & Alonso-Zarazaga, 2007
         4 Family Podoctidae Roewer, 1912
         5 Family Samoidae Sørensen, 1886
         6 Family Stygnommatidae Roewer, 1923