Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Order Dissociodihaplophasida Sprague, Becnel & Hazard, 1992
         Family Nosematidae Labbé, 1899
           1 Genus Nosema Nägeli, 1857
           2 Genus Oligosporidium Codreanu-Bălcescu, Codreanu & Traciuc, 1981
           3 Genus Vairimorpha Pilley, 1976