living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Chromophycota see Phylum Chromophyta T.A.Chr. (1962), nom. nud.
           Class Chrysophyceae Fritsch (1927)
             Subclass Chrysophycidae see Class Chrysophyceae Fritsch (1927)
               1 Order Ochromonadales Pascher, 1910b
               2 Order Chrysamoebidales see Order Chromulinales Pascher, 1910b
               3 Order Chrysocapsales Pascher (1912) see Order Chromulinales Pascher, 1910b
               4 Order Chrysosphaerales Pascher (1914)
               5 Order Phaeothamniales Bourr. (1954)
               6 Order Sarcinochrysidales Gayral & Billard (1977)
               7 ?Order Pedinellales Zimmermann et al. (1984)