Kingdom Protoctista Hogg, 1860 Phylum Myxozoa Grassé, 1970, incertae sedis - myxozoans see Subphylum Myxozoa Grassé, 1970 Class Actinosporea Noble, 1980 [monotypic] see Class Myxosporea Bütschli, 1881 Order Actinomyxida Štolc, 1899 Family Hexactinomyxidae Sprague, 1982 [monotypic] Genus Hexactinomyxon Štolc, 1899