[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Order] Opiliones Sundevall, 1833 - harvestmen
         Phalangida Bristowe, 1949
           Suborder Laniatores Thorell, 1876 - armored harvestmen
             Infraorder Grassatores Kury, 2002
               Superfamily Assamioidea Sørensen, 1884
                 Family Epedanidae Sørensen, 1886
                   1 Genus †Biungulus Bartel, Dunlop, Sharma, Selden, Ren & Shih, 2020
                   2 Genus †Gigantocheles Bartel, Dunlop, Sharma, Selden, Ren & Shih, 2020
                   3 Genus †Petrobunoides Selden, Dunlop, Giribet, Zhang & Ren, 2016