[Kingdom] Animalia Linnaeus, 1758 - animals
   Grade Enterozoa
     Grade Cœlomata
       Phylum Appendiculata {Lankester}
         Branch Gnathopoda Straus-Durkheim, 1829
           Grade Condylopoda
             Class Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
               Grade Malacostraca Latreille, 1802
                 Branch Arthrostraca
                   Order Isopoda Latreille, 1817 - isopods
                     1 Genus Oniscus Linnaeus, 1758
                     2 Genus Anilocra Leach, 1818
                     3 Genus Tanais Latreille, 1831
                     4 Genus Praniza Latreille, 1817