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 discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Rhizaria Cavalier-Smith, 2002
                                 Phylum Cercozoa Cavalier-Smith, 1998
                                   Subphylum Endomyxa T. Cavalier-Smith, 2002
                                     Class Gromiidea Cavalier-Smith & Chao, 2003
                                       Order Gromiidaᵀ Claparède & Lachmann, 1858
                                         Family Gromiidaeᵀ Ruess, 1862
                                           Genus Gromiaᵀ Dujardin, 1835
                                             Gromia gemma Penard, 1899