Phylum Myxozoa Grassé, 1970, incertae sedis - myxozoans see Subphylum Myxozoa Grassé, 1970
   Class Myxosporea Bütschli, 1881
     Order Multivalvulida Shulman, 1959
       1 Genus Hexacapsula Arai & Matsumoto, 1953 see Genus Kudoa Meglitsch, 1947
       2 Genus Kudoa Meglitsch, 1947
       3 Genus Trilospora Noble, 1939
       4 Genus Unicapsula Davis, 1924