eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Fungi R.T.Moore (1980) - fungi
     Subkingdom Eomycota Caval.-Sm. (1998) see Kingdom Fungi R.T.Moore (1980)
       Phylum Archemycota Caval.-Sm. (1998) [paraphyletic]
         Subphylum Chytridiomycotina Caval.-Sm. (2012) see Phylum Chytridiomycota Doweld (2001)
           Class Chytridiomycetes Moebius (1929)
             Subclass Rumpomycetidae Caval.-Sm. (1998) see Class Chytridiomycetes Moebius (1929)
               1 Order Chytridiales J.Schröt. (1886)
               2 Order Spizellomycetales D.J.S. Barr (1980)
               3 Order Rhizophlyctidales Letcher (2008)
               4 Order Polychytriales Longcore & D.R. Simmons (2012)