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 Laminariales Migula (1908)
               Family Lessoniaceae Setchell & Gardner (1925)
                 Genus Dictyoneuropsis G.M. Sm. (1942)
                 Genus Dictyoneurum F.J. Ruprecht (1852)
                 Genus Lessonia Bory (1825)
                 Genus Lessoniopsis J. Reinke (1903)
                 Genus Macrocystis C.Agardh (1820)
                 Genus Nereocystis A. Postels & F.J. Ruprecht (1840)
                 Genus Pelagophycus J.E. Areschoug (1881)
                 Genus Postelsia F.J. Ruprecht (1852)