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.
           1 Class Chrysophyceae Fritsch (1927)
           2 Class Prymnesiophyceae D.J. Hibberd (1976) see Class Coccolithophyceae Rothm. (1951)
           3 Class Xanthophyceae P. Allorge ex Fritsch (1935) - yellow-green algae
           4 Class Eustigmatophyceae Hibberd & Leedale (1971)
           5 Class Bacillariophyceae Haeckel (1878) - pennates
           6 Class Dinophyceae Pascher (1914)
           7 Class Phaeophyceae Hansgirg (1886) - brown algae
           8 Class Raphidiophyceae see Class Raphidophyceae Chadef. ex P.C.Silva (1980)
           8 Class Raphidophyceae Chadef. ex P.C.Silva (1980) - raphidophytes
           9 Class Cryptophyceae F.E. Fritsch (1927)