Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Arachnida Lamarck, 1801
         Order Opiliones Sundevall, 1833 - harvestmen
           Suborder Laniatores Thorell, 1876 - armored harvestmen
             Infraorder Grassatores Kury, 2002
               1 Superfamily Assamioidea Sørensen, 1884
               2 Superfamily Epedanoidea Sørensen, 1886
               3 Superfamily Gonyleptoidea Sundevall, 1833
               4 Superfamily Phalangodoidea Simon, 1879 [monotypic]
               5 Superfamily Samooidea Sørensen, 1886
               6 Superfamily Zalmoxoidea Sørensen, 1886