Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Chytridiomycetes Moebius (1929)
       Order Chytridiales J.Schröt. (1886)
         Family Chytriomycetaceae Letcher (2011)
           Genus Fayochytriomyces W.J. Davis, Letcher, Longcore & M.J. Powell (2015) [monotypic]
             Fayochytriomyces spinosusᵀ (Fay) W.J. Davis, Letcher, Longcore & M.J. Powell