Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   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 Limnista Caval.-Sm. (2006)
                                   Class Chrysophyceae Pascher (1914)
                                     Order Chromulinales Pascher, 1910b
                                       Family Chromulinaceaeᵀ Engl. (1897), nom. cons.
                                         Genus Oikomonas Kent (1880)
                                           Oikomonas termo (O.F. Mⁿller, 1773) W.S. Kent, 1880 ("1880-1882")