Kingdom Protoctista Hogg, 1860
   Phylum Microspora Sprague, 1977 - microsporans see Phylum Microsporida Balbiani, 1882
     Class Microsporea Levine & Corliss, 1963 see Class Microsporidea Corliss & Levine, 1963
       Order Microsporida Balbiani, 1882
         Suborder Pansporoblastina Tuzet, Maurand, Fize, Michel & Fenwick, 1971
           Family Gurleyidae Sprague, 1977
             1 Genus Gurleya Doflein, 1898
             1.1 Genus Marssoniella Lemmermann, 1900
             2 Genus Pyrotheca Hesse, 1935
             3 Genus Stempellia Léger & Hesse, 1910
             4 Genus Norlevinea Vávra, 1984
             5 Genus Episeptum Larsson, 1986