Kingdom Protoctista Hogg, 1860
   Phylum Myxozoa Grassé, 1970, incertae sedis - myxozoans see Subphylum Myxozoa Grassé, 1970
     Class Myxosporea Bütschli, 1881
       Order Bivalvulida Shulman, 1959
         Suborder Platysporina Kudo, 1919 [monotypic]
           Family Myxobolidae Thélohan, 1892
             Genus Trigonosporus Hoshina, 1952 see Genus Trigonosporous Hoshina, 1952