Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               [Bikonta]
                 [Diaphoretickes Adl et al., 2012] see Superkingdom Corticata Lankester, 1878
                   [Kingdom Chromalveolata Adl et al., 2005 [polyphyletic?]] see Kingdom Chromista Caval.-Sm. (1981)
                     [Hacrobia Okamoto, Chantangsi, Horák, Leander & Keeling, 2009] see Subkingdom Hacrobia Okamoto, Chantangsi, Horák, Leander & Keeling, 2009
                       [Phylum Haptophyta D.J. Hibberd ex Edvardsen & Eikrem (2000)] see Subphylum Haptophytina Caval.-Sm. (2015)
                         [Class Prymnesiophyceae D.J. Hibberd (1976)] see Class Coccolithophyceae Rothm. (1951)
                           [Subclass Prymnesiophycidae (D.J. Hibberd) Cavalier-Sm. (1986)] see Class Prymnesiophyceae D.J. Hibberd (1976)