Kingdom Protoctista Hogg, 1860 Phylum Microspora Sprague, 1977 - microsporans see Phylum Microsporida Balbiani, 1882 Class Rudimicrosporea Sprague, 1977 Order Metchnikovellida Vivier, 1975 1 Family Metchnikovellidae Caullery & Mesnil, 1914