Kingdom Protoctista Hogg, 1860 Phylum Haplosporidia Caullery & Mesnil, 1899 see Order Haplosporida M. Caullery & F. Mesnil, 1899 Class Haplosporea M. Caullery, 1953 see Order Haplosporida M. Caullery & F. Mesnil, 1899 Order Haplosporida M. Caullery & F. Mesnil, 1899 1 Family Haplosporidiidae Sprague, 1979