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 Phaeophyceae Hansgirg (1886) - brown algae
             Order Fucales Kylin
               1 Family Fucaceae Adans. (1763)
               2 Family Himanthaliaceae (Kjellman) De Toni (1891)
               3 Family Hormosiraceae Fritsch (1945)
               4 Family Phyllosporaceae
               5 Family Sargassaceae Kützing (1843)
               6 Family Cystoseiraceae De Toni (1891)