Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Order Glugeida Issi, 1986
         Family Gurleyidae Sprague, 1977
           Genus Marssoniella Lemmermann, 1900 [monotypic]
             Marssoniella elegansᵀ Lemmermann, 1900