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
                         1 Family Labyrinthomyxidae Cavalier-Smith, 2012, incertae sedis [monotypic]
                         2 Infrakingdom Halvaria Cavalier-Smith, 2010
                         3 Infrakingdom Rhizaria Cavalier-Smith, 2002