Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Family Neopereziidae Voronin, 2001, incertae sedis
         Genus Pseudonosema Canning, Refardt, Vossbrinck, Okamura & Curry, 2002 [monotypic]
           1 Pseudonosema cristatellaeᵀ (Canning, Okamura & Curry)