Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Order Dissociodihaplophasida Sprague, Becnel & Hazard, 1992
         Family Spragueidae Weissenberg, 1976
           1 Genus Inodosporus Overstreet & Weidner, 1974
           2 Genus Kabatana Lom, Dyková & Tonguthai, 2000
           3 Genus Microgemma Ralphs & Matthews, 1986
           4 Genus Spraguea Weissenberg, 1976
           5 Genus Potaspora Casal, Matos, Teles-Grilo & Azevedo, 2008
           6 Genus Tetramicra Matthews & Matthews, 1980 [monotypic]