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 Rhodophycota see Phylum Rhodophyta Wettst. (1901)
           Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901)
             Subclass Florideophycideae see Class Florideophyceae Cronquist (1960)
               1 Order Nemaliales F.Schmitz (1892)
               5 Order Cryptonemiales Schmitz (1892)
               6 Order Gigartinales F.Schmitz
               7 Order Rhodymeniales F.Schmitz (1892)
               8 Order Palmariales Guiry & D.E.G.Irvine
               9 Order Ceramiales Oltmanns