Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Chytridiomycetes Moebius (1929)
       Order Chytridiales J.Schröt. (1886)
         Family Chytriomycetaceae Letcher (2011)
           01 Genus Avachytrium Vélez & Letcher (2013)
           02 Genus Chytriomyces Karling (1945)
           03 Genus Entophlyctis A.Fisch. (1892)
           04 Genus Fayochytriomyces W.J. Davis, Letcher, Longcore & M.J. Powell (2015) [monotypic]
           05 Genus Obelidium Nowak. (1877)
           06 Genus Odontochytrium Vélez & Letcher (2013) [monotypic]
           07 Genus Pendulichytrium K. Seto & Degawa (2018) [monotypic]
           08 Genus Physocladia Sparrow (1932) [monotypic]
           09 Genus Podochytrium Pfitzer (1870)
           10 Genus Rhizoclosmatium H.E. Petersen (1903)
           11 Genus Siphonaria H.E. Petersen (1903)
           12 Genus Rhizidium A.Braun (1856)