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 Heterokonta Caval.-Sm. (1986)
Phylum Ochrophyta Caval.-Sm. (1995)
Subphylum Phaeista Caval.-Sm. (1995)
Infraphylum Limnista Caval.-Sm. (2006)
Class Chrysophyceae Fritsch (1927)
1 ?Order Thallochrysidales
2.1 Order Chromulinales Pascher, 1910b
2.2.1 Order Paraphysomonadales Caval.-Sm. (1996)
2.2.2.1 Order Synurales R.A. Andersen (1987)
2.2.2.2.1 Order Chrysosphaerales Pascher (1914)
2.2.2.2.2 Order Hibberdiales R.A. Andersen, 1989a
2.2.2.2.3 Order Ochromonadales Pascher, 1910b
2.3 Order Hydrurales Pascher (1931) [monotypic]
3.1 Order Chloramoebales [monotypic]
3.2 Order Heterogloeales