Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Order Glugeida Issi, 1986
         1 Family Abelsporidae Azevedo [monotypic]
         2 Family Encephalitozoonidae Voronin
         3 Family Glugeidae Thélohan, 1892
         4 Family Gurleyidae Sprague, 1977
         5 Family Microfilidae Sprague, Becnel & Hazard [monotypic]
         6 Family Pleistophoridae Doflein, 1901
         7 Family Tuzetiidae Sprague, Tuzet & Maurand, 1977
         8 Family Unikaryonidae Sprague, 1977