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Taxon: Family Ralfsiaceae (alga)
Classification by:

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 Chordariales
                                         Family Ralfsiaceae
                                           Genus Analipus F.R. Kjellman (1889)
                                           Genus Basispora D.M. John & G.W. Lawson (1974)
                                           Genus Dipleura
                                           Genus Endopleura Cuatrecasas (1961)
                                           Genus Hapalospongidion Saunders (1899)
                                           Genus Hapterophycus W.A. Setchell & N.L. Gardner, in W.A. Setchell (1912)
                                           Genus Lithoderma J.E. Areschoug (1875)
                                           Genus Mesospora Weber-van Bosse (1911)
                                           Genus Porterinema Waern (1952)
                                           Genus Pseudolithoderma Svedelius, in Engler & Prantl (1911)
                                           Genus Ralfsia Berk. (1843)
                                           Genus Stragularia Stroemfelt (1886)

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Last updated: 15 Jul 2019