Kingdom Protista (Haeckel, 1866) - protists mastigomycetes 1 Phylum Hypochytridiomycota Sparrow, 1959 2 Phylum Oomycota Arx (1967) 3 Phylum Chytridiomycota Arx (1967), nom. inval. see Phylum Chytridiomycota Doweld (2001)