Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Order Dissociodihaplophasida Sprague, Becnel & Hazard, 1992
         1 Family Caudosporidae Weiser, 1958
         2 Family Golbergiidae Issi, 1986
         3 Family Mrazekiidae Léger & Hesse, 1922
         4 Family Nosematidae Labbé, 1899
         5 Family Ovavesiculidae Sprague, Becnel & Hazard
         6 Family Pseudopleistophoridae Sprague, 1977
         7 Family Spragueidae Weissenberg, 1976