Phylum Arthropoda Siebold, 1848 - arthropods
Status: extant
   Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
  Status: extant
     Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
    Status: extant
       Subclass Copepoda H. Milne-Edwards, 1840 - copepods
      Status: extant
         Infraclass Neocopepoda Huys & Boxshall, 1991
        Status: extant
           Superorder Podoplea Giesbrecht, 1882
          Status: extant
             Order Monstrilloida Sars, 1901
            Status: extant
               1 Family Monstrillidae Dana, 1849
              Status: extant