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 Khakista Caval.-Sm. (2000)
Diatomea Kütz. (1844)
Class Bacillariophyceae Haeckel (1878) - pennates
Subclass Fragilariophycidae Round (1990) - core araphid diatoms
-2 [Order "Plagiogrammales" Round & R.M. Crawford (1990)]
see Order Plagiogrammales Gogorev & Stepanova (2015)
1.1 Order Fragilarialesᵀ P.C.Silva (1962) [monotypic]
1.2 Order Tabellariales Round (1990) [monotypic]
1.3 Order Licmophorales Round (1990) [monotypic]
2 Order Thalassionematales Round (1990) [monotypic]
3 Order Cyclophorales Round & R.M. Crawford (1990)
3.2 [Order Entopylales [monotypic]]
see Order Cyclophorales Round & R.M. Crawford (1990)
4 Order Climacospheniales Round (1990) [monotypic]
5 Order Protoraphidales Round ex Gogorev (2015) [monotypic]
5.0 [Order "Protoraphidales" Round (1990)]
see Order Protoraphidales Round ex Gogorev (2015)
5.0 [Order Pseudohimantidiales]
see Order Protoraphidales Round (1990)
x1.0 [Order "Ardissoniales"]
see Order Ardissoneales Round (1990)