Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Family Tubulinosematidae Franzen, Fischer, Schroeder, Schölmerich & Schneuwly, 2005, incertae sedis
         Genus Tubulinosema Franzen, Fischer, Schroeder, Schölmerich & Schneuwly, 2005
           Tubulinosema ratisbonensisᵀ Franzen, Fischer, Schroeder, Schölmerich & Schneuwly