Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Chromista Caval.-Sm. (1981) - chromists
                       [Subkingdom Euchromista Cavalier-Smith (1993)] see [unranked] Stramenopila
                         [Phylum Heterokonta Caval.-Sm. (1986)] see Superphylum Heterokonta Caval.-Sm. (1981)
                           3 [Subphylum "Ochrista" Caval.-Sm. (1986)] see Phylum Ochrophyta Caval.-Sm. (1995)