Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Chytridiomycetes Moebius (1929)
       Order Chytridiales J.Schröt. (1886)
         1 Genus Chytridium A.Braun (1851)
         2 Genus Chytriomyces Karling (1945)
         3 Genus Nowakowskiella J.Schröt. (1893)
         4 ?Genus Polychytrium Ajello (1942)