Natura - nature
Ref: C. Linnaeus, 1748: 210
   actualia - actual entities
  Ref: A. Voltolini, 2006: 44 (note 19) [assumed position]
     Mundus Plinius - physical world
    Ref: C. Linnaeus, 1758: 5 [indirect position]; 24 Apr 2014.
       naturalia - natural bodies
      Ref: C. Linnaeus, 1758: 6 [implicit position]
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        Ref: J. Wiemann et al., 2020: [13] [validation] [inferred position]
           Clade neomura Cavalier-Smith, 1987
          Ref: T. Cavalier-Smith, 2002b: 297 [inferred position]
             Domain Eukaryota Chatton, 1925 - eukaryotes
            Ref: P.M. Kirk et al., 2008: 248 [indirect position]; 19 Sep 2015.
               Clade discaria Cavalier-Smith, 2021
              Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11 [new taxon] [implicit position]
                 Clade natates Cavalier-Smith, 2021
                Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11 [new taxon]
                   Clade photaria Cavalier-Smith, 2021
                  Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11
                     Clade eucorta Cavalier-Smith, 2021
                    Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11
                       Superkingdom Corticata Lankester, 1878 - corticates
                      Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                        Ref: T. Cavalier-Smith et al., 2015: 357 [new position]; Cavalier-Smith, 2022(2021): fig. 11.
                           Subkingdom Harosa Cavalier-Smith, 2010
                          Ref: T. Cavalier-Smith, 2022(2021): 582
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                            Ref: A.G.B. Simpson & M. Dunthorn, 2020: [51] [indirect position]; Cavalier-Smith, 2022(2021): fig. 11.
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                              Ref: T. Cavalier-Smith, 2022(2021) (alt.): fig. 11 [implicit position]
                                 Superphylum Heterokonta Caval.-Sm. (1986)
                                Ref: T. Cavalier-Smith et al., 2015: table 1 (p. 344); Cavalier-Smith, 2022(2021): fig. 11.
                                   Phylum Ochrophyta Caval.-Sm. (1995)
                                  Ref: T. Cavalier-Smith et al., 2015: table 1 (p. 344)
                                     Subphylum Khakista Caval.-Sm. (2000)
                                    Ref: M.A. Harper et al., 2012: 147
                                       Diatomea Kütz. (1844)
                                      Ref: S.M. Adl et al., 2012: table 2 (p. 458) [indirect position]; 6 Mar 2016.
                                         Class Coscinodiscophyceae Round & R.M. Crawford (1990) [paraphyletic] - radial centrics
                                        Ref: L.K. Medlin, 2016: table 2 (p. 115) [inferred position]; 6 Mar 2016.
                                           Subclass Coscinodiscophycidaeᵀ Round & R.M. Crawford (1990)
                                          Ref: F.E. Round et al., 1990: 125 [new taxon]
                                             Order Coscinodiscalesᵀ Round & R.M. Crawford (1990)
                                            Ref: F.E. Round et al., 1990: 126 [new taxon]
                                               Family Coscinodiscaceaeᵀ Kütz. (1844)
                                              Ref: F.E. Round et al., 1990: 126 [new position]
                                                 Genus Coscinodiscusᵀ Ehrenb. (1839)
                                                Ref: F.E. Round et al., 1990: 126
                                                   Coscinodiscus lineatus Ehrenberg (1838)
                                                  Ref: T. Koray, 2001: 13
                                                     Coscinodiscus lineatus var. irregularis
                                                    Ref: TCN lijst Diatomeeën, [2003]: 15 Nov 2005