Phylum Arthropoda Siebold, 1848 - arthropods
Count: -
   Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
  Count: [f] 6c;47o;849f
     Class Malacostraca Latreille, 1802
    Count: [f] 16o;497f
       Subclass Eumalacostraca Grobben, 1892
      Count: [f] 14o;477f
         Superorder Peracarida Calman, 1904
        Count: [f] 9o;317f
           Order Tanaidacea Dana, 1849 - tanaids
          Count: [f] 21f
             Suborder Tanaidomorpha Sieg, 1980
            Count: [f] 8f
               Superfamily Paratanaoidea Lang, 1949
              Count: [f] 7f
                 1 Family Anarthruridae Lang, 1971
                Count: -
                 2 Family Leptochelidae Lang, 1973 see Family Leptocheliidae Lang, 1973
                Count: -
                 3 Family Nototanaidae Sieg, 1976
                Count: -
                 4 Family Paratanaidae Lang, 1949
                Count: -
                 5 Family Pseudotanaidae Sieg, 1976
                Count: -
                 6 Family Pseudozeuxidae Sieg, 1982
                Count: -
                 7 Family Typhlotanaidae Sieg, 1984
                Count: -