Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Arachnida Lamarck, 1801
         Order Pseudoscorpiones De Geer, 1778
           Suborder Epiocheirata Harvey, 1992
             Superfamily Feaelloidea Ellingsen, 1906
               1 Family Feaellidae Ellingsen, 1906
               2 Family Pseudogarypidae Chamberlin, 1923