Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Family Heterovesiculidae Lange, MacVean, Henry & Streett, 1995, incertae sedis [monotypic]
         Genus Heterovesicula Lange, MacVean, Henry & Streett, 1995 [monotypic]
           Heterovesicula cowaniᵀ Lange, MacVean, Henry & Streett, 1995