Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Family Toxoglugeidae sensu Wijayawardene et al., 2018, incertae sedis [monotypic]
         Genus Toxospora Voronin, 1993, nom. illeg.
           1 Toxospora volgaeᵀ Voronin, 1993