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 discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           Clade Rhodaria Cavalier-Smith 2021
                             Subkingdom Rhodoplantae G.W.Saunders & Hommers. (2004) [monotypic]
                               Phylum Rhodophyta Wettst. (1901) - red algae
                                 Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
                                   Class Florideophyceae Cronquist (1960)
                                     Subclass Rhodymeniophycidae G.W.Saunders & Hommers. (2004)
                                       Order Ceramiales Oltmanns
                                         Family Ceramiaceaeᵀ Dumort. (1822)
                                           Genus Griffithsia C.Agardh, nom. cons.
                                             Griffithsia antarctica Hook.f. & Harvey
                                             Griffithsia anthericephala E.Y. Dawson
                                             Griffithsia balara Baldock
                                             Griffithsia bornetiana Farlow
                                             Griffithsia capitata Børgesen
                                             Griffithsia caribaea Mazoyer
                                             Griffithsia chilensis Mont. ex Kützing
                                             Griffithsia coacta Okamura
                                             Griffithsia confervoides Suhr (1840)
                                             Griffithsia corallinoides (L., 1753) Trevis. (1845)
                                             Griffithsia crassiuscula C.Agardh (1824)
                                             Griffithsia devoniensis Harvey
                                             Griffithsia elegans Baldock (1976)
                                             Griffithsia flosculosa (J. Ellis) Batters
                                             Griffithsia genovefae Feldmann
                                             Griffithsia globulifera Harvey ex Kützing (1862)
                                             Griffithsia grandis Kützing
                                             Griffithsia gunniana J.Agardh
                                             Griffithsia heteroclada Yamada & Hasegawa
                                             Griffithsia heteromorpha Kützing (1863)
                                             Griffithsia japonica Okamura (1930)
                                             Griffithsia metcalfii C.K. Tseng (1942)
                                             Griffithsia monilis Harvey (1855)
                                             Griffithsia okiensis Kajimura
                                             Griffithsia opuntioides J.Agardh (1842)
                                             Griffithsia ovalis Harvey (1855)
                                             Griffithsia pacifica Kylin
                                             Griffithsia phyllamphora J.Agardh
                                             Griffithsia pilalyea Baldock
                                             Griffithsia pulvinata Baldock (1976)
                                             Griffithsia radicans Kützing
                                             Griffithsia rhizoidea Noda
                                             Griffithsia rhizophora Grunow ex Weber-van Bosse (1923)
                                             Griffithsia schousboei Mont., in Webb (1839)
                                             Griffithsia subcylindrica Okamura (1930)
                                             Griffithsia teges Harvey (1855)
                                             Griffithsia tomo-yamadae Okamura
                                             Griffithsia traversii (J.Agardh) Baldock
                                             Griffithsia venusta Yamada
                                             Griffithsia weber-van-bosseae Børgesen (1942)