Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   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 Laminariales Migula (1908)
                                         Genus Akkesiophycus
                                         Family Pseudochordaceae
                                         1 Family Chordaceae Dumort. (1822)
                                         2 Family Laminariaceaeᵀ Bory (1827)
                                         2 Family Phyllariaceae Hamel ex Petrov (1974)
                                         3 Family Lessoniaceae Setchell & Gardner (1925)
                                         4 Family Alariaceae Setchell & Gardner (1925)