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
           1 Genus Antonospora Fries, Paxton, Tengö, Slemenda, da Silva & Pieniazek, 1999
           2 Genus Ovavesicula Andreadis & Hanula, 1987 [monotypic]
           3 Genus Paranosema Sokolova, Dolgikh, Morzhina, Nassonova, Issi, Terry, Ironside, Smith & Vossbrinck, 2003