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 Variisporina Lom & Noble, 1984
Family Sinuolineidae Shulman, 1959
Genus Davisia Laird, 1953, nom. illeg.