Arthropoda Siebold, 1848 - arthropods
   Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
     Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
       Copepoda H. Milne-Edwards, 1840 - copepods
         Neocopepoda Huys & Boxshall, 1991
           Gymnoplea Giesbrecht, 1882
             Calanoida Sars, 1903
               Pseudocyclopiidae G.O. Sars, 1902
                 1 Pseudocyclopia T. Scott, 1892