Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Rozellomycota Doweld (2013)
     Class Microsporidea Corliss & Levine, 1963
       Order Dissociodihaplophasida Sprague, Becnel & Hazard, 1992
         Family Ovavesiculidae Sprague, Becnel & Hazard
           Genus Ovavesicula Andreadis & Hanula, 1987 [monotypic]
             1 Ovavesicula popilliaeᵀ Andreadis & Hanula, 1987