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 Plantae Haeckel (1866) - plants
                       Phylum Rhodophyta Wettstein (1922) - red algae
                         Subphylum Macrorhodophytina T. Cavalier-Smith (1998)
                           Class Florideophyceae
                             Order Ahnfeltiales
                               Family Ahnfeltiaceae