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 Synactinomyxidae F. Poche, 1913 Genus Synactinomyxon Štolc, 1899