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 Halvaria Cavalier-Smith, 2010
Superphylum Alveolata Cavalier-Smith, 1991
Phylum Miozoa Cavalier-Smith, 1987
Subphylum Myzozoa Cavalier-Smith & Chao, 2004
Infraphylum Dinozoa Cavalier-Smith, 1981
Superclass Dinoflagellata Bütschli, 1885
Class Dinophyceae Pascher (1914)
Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
Order Gonyaulacales F.J.R. Taylor (1980)
Family Ceratiaceae Kof. (1907)
Genus Ceratiumᵀ Schrank (1793)
Ceratium tripos (Müll.) Nitzsch (1817)
Ceratium tripos var. pulchellum
Ceratium tripos pulchellum f. semipulchellum Jörgensen