Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Family Neopereziidae Voronin, 2001, incertae sedis
         1 Genus Bacillidium Janda, 1928
         2 Genus Bryonosema Canning, Refardt, Vossbrinck, Okamura & Curry, 2002
         3 Genus Neoperezia Issi & Voronin, 1979
         4 Genus Pseudonosema Canning, Refardt, Vossbrinck, Okamura & Curry, 2002 [monotypic]
         5 Genus Schroedera Morris & Adams, 2002
         6 Genus Trichonosema Canning, Refardt, Vossbrinck, Okamura & Curry, 2002