Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Chytridiomycetes Moebius (1929)
       Order Nephridiophagales Doweld (2014) [monotypic]
         Family Nephridiophagaceaeᵀ R. Radek, Letcher, Wijayaw., P.M.Kirk & K.D.Hyde (2018)
           1 Genus Coleospora A.J. Gibbs (1959), nom. dub. [monotypic]
           2 Genus Nephridiophagaᵀ Ivanić (1937)
           3 Genus Oryctospora Purrini & Weiser (1990) [monotypic]
           4 Genus Peltomyces L. Léger (1909) [monotypic]