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
               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
                             Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Heterokonta Caval.-Sm. (1986)
                                   Phylum Ochrophyta Caval.-Sm. (1995)
                                     Subphylum Phaeista Caval.-Sm. (1995)
                                       Infraphylum Limnista Caval.-Sm. (2006)
                                         Class Chrysophyceae Fritsch (1927)
                                           Order Chromulinales Pascher, 1910b
                                             Family Dinobryaceae Ehrenberg (1834)
                                               Genus Kephyrion Pascher (1911)
                                                 Kephyrion asper
                                                 Kephyrion boreale
                                                 Kephyrion cupuliformae
                                                 Kephyrion cylindricum
                                                 Kephyrion doliolum
                                                 Kephyrion littorale J.W.G. Lund
                                                 Kephyrion ovale
                                                 Kephyrion rubi-calustri
                                                 Kephyrion spirale