Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Genus Systenostrema Hazard & Oldacre, 1975, incertae sedis
         1 Systenostrema tabaniᵀ Hazard & Oldacre, 1975