Protozoa Goldfuss, 1818 - protozoans Phylum Myxozoa Grassé, 1970, incertae sedis - myxozoans see Subphylum Myxozoa Grassé, 1970 Class Myxosporea Bütschli, 1881 Order Bivalvulida Shulman, 1959 Order Multivalvulida Shulman, 1959