Kingdom Protoctista Hogg, 1860 Phylum Myxozoa Grassé, 1970, incertae sedis - myxozoans see Subphylum Myxozoa Grassé, 1970 Class Myxosporea Bütschli, 1881 1 Order Bivalvulida Shulman, 1959 2 Order Multivalvulida Shulman, 1959