Kingdom Protoctista Hogg, 1860 Phylum Myxozoa Grassé, 1970, incertae sedis - myxozoans see Subphylum Myxozoa Grassé, 1970 Class Myxosporea Bütschli, 1881 Order Multivalvulida Shulman, 1959 Family Kudoidae Meglitsch, 1960 [monotypic] Genus Kudoa Meglitsch, 1947