Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Chytridiomycetes Moebius (1929)
       01 Order Chytridiales J.Schröt. (1886)
       02 Order Nephridiophagales Doweld (2014) [monotypic]
       03 Order Polyphagales Doweld (2014) [monotypic]
       04 Order Saccopodiales Doweld (2014) [monotypic]
       05 Family Amoebochytriaceae Doweld (2014), incertae sedis [monotypic]
       06 Family Sparrowiaceae Doweld (2014), incertae sedis [monotypic]
       07 Family Tetrachytriaceae Doweld (2013), incertae sedis [monotypic]
       08 Family Thalassochytriaceae Doweld (2014), incertae sedis [monotypic]
       09 Genus Aphanistis Sorokīn (1883), incertae sedis
       10 Genus Blyttiomyces A.F. Bartsch (1939), incertae sedis
       11 Genus Gamolpidium Vlădescu (1892), incertae sedis
       12 Genus Mucophilus Plehn (1920), incertae sedis [monotypic]
       13 Genus Plasmophagus De Wild. (1895), incertae sedis [monotypic]
       14 Genus Rhizidiocystis Sideris (1929), incertae sedis [monotypic]
       15 Genus Rhizosiphon Scherff. (1926), incertae sedis
       16 Genus Sagittospora Lubinsky (1955), incertae sedis [monotypic]
       17 Genus Scherffeliomycopsis Geitler (1962), incertae sedis [monotypic]
       18 Genus Septolpidium Sparrow (1933), incertae sedis [monotypic]
       19 Genus Sorokinocystis Doweld (2014), incertae sedis [monotypic]
       20 Genus Trematophlyctis Pat. (1918), incertae sedis [monotypic]
       21 Genus Bertramia Mesnil & Caullery (1897), incertae sedis
       22 Genus Canteria Karling (1971), incertae sedis [monotypic]
       23 Genus Dangeardia Schröd. (1898), incertae sedis
       24 Genus Dangeardiana Valkanov ex A. Batko (1970), incertae sedis
       25 Genus Dictyomorpha Mullins (1961), incertae sedis
       26 Genus Ichthyochytrium Plehn (1920), incertae sedis [monotypic]
       27 Genus Loborhiza A.M. Hanson (1944), incertae sedis [monotypic]
       28 Genus Macrochytrium Minden (1902), incertae sedis [monotypic]
       29 Genus Megachytrium Sparrow (1931), incertae sedis [monotypic]
       30 Genus Mitochytridium P.A. Dang. (1911), incertae sedis
       31 Genus Nowakowskia Borzí (1885), incertae sedis [monotypic]
       32 Genus Olpidiaster Pascher (1917), incertae sedis
       33 Genus Perolpidium Doweld (2014), incertae sedis [monotypic]
       34 Genus Physorhizophidium Scherff. (1926), incertae sedis [monotypic]
       35 Genus Pseudopileum Canter (1963), incertae sedis [monotypic]
       36 Genus Rhopalophlyctis Karling (1945), incertae sedis [monotypic]
       37 Genus Riethophlyctis Doweld (2014), incertae sedis [monotypic]
       38 Genus Saccomyces Serbinow (1907), incertae sedis
       39 Genus Schizolpidium Doweld (2014), incertae sedis [monotypic]
       40 Genus Septosperma Whiffen ex R.L. Seym. (1971), incertae sedis
       41 Genus Solutoparies Whiffen ex W.H. Blackw. & M.J. Powell (1998), incertae sedis
       42 Genus Sporophlyctidium Sparrow (1933), incertae sedis
       43 Genus Sporophlyctis Serbinow (1900), incertae sedis [monotypic]
       44 Genus Truittella Karling (1949), incertae sedis [monotypic]
       45 Genus Volvorax Doweld (2013), incertae sedis [monotypic]
       46 Genus Zygochytrium Sorokīn (1874), incertae sedis [monotypic]
       47 Genus Zygophlyctis Doweld (2014), incertae sedis [monotypic]