Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               "neokaryotes" - mitochondrial eukaryotes
                 "neozoa"
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Chromista Caval.-Sm. (1981) - chromists
                       Subkingdom Harosa Cavalier-Smith, 2010
                         Infrakingdom Halvaria Cavalier-Smith, 2010
                           Superphylum Heterokonta Caval.-Sm. (1981)
                             Phylum Ochrophyta Caval.-Sm. (1995)
                               Subphylum Phaeista Caval.-Sm. (1995)
                                 Infraphylum Marista Caval.-Sm. (2006)
                                   Superclass Fucistia Caval.-Sm. (1995)
                                     Class Phaeophyceae Hansgirg (1886) - brown algae
                                       Order Fucales Kylin
                                         Family Fucaceaeᵀ
                                           Genus Fucusᵀ L. (1753)
                                             Fucus ceranoides Linnaeus (1753)
                                             Fucus cottoni M.J. Wynne & Magne (1991)
                                             Fucus distichus Linnaeus (1767)
                                             Fucus evanescens C. Agardh (1820)
                                             Fucus gardneri P.C. Silva
                                             Fucus serratus L. (1753) - serrated wrack
                                             Fucus spiralis L. (1753) - spiral wrack
                                             Fucus vesiculosus Linnaeus (1753) - bladder wrack
                                             Fucus virsoides J. Agardh