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
Order Fragilarialesᵀ P.C.Silva (1962) [monotypic]
Family Fragilariaceaeᵀ Grev. (1833)
Genus Opephora P. Petit (1888)
Opephora gemmata (Grunow) Hustedt (1931)
Opephora guenter-grassii (Witkowski & Lange-Bertalot, 1993) K. Sabbe & W. Wyverman (1995)
Opephora krumbeinii A. Witkowski, Witak & K. Stachura, in Lange-Bertalot & Genkal (1999)
Opephora marina (Gregory) Petit (1888)
Opephora mutabilis (Grunow, in Cleve & Möller, 1879) K. Sabbe & W. Vyverman (1995)
Opephora naveana Le Cohu (1988)
[Opephora olsenii Moller (1950)]
see Opephora mutabilis (Grunow, in Cleve & Möller, 1879) K. Sabbe & W. Vyverman (1995)
Opephora pacifica (Grunow) Petit (1888)
[Opephora parva (Grunow, in Van Heurck, 1881) Krasske (1939)]
see Opephora mutabilis (Grunow, in Cleve & Möller, 1879) K. Sabbe & W. Vyverman (1995)
[Opephora schulzii (Brockm., 1950) Simonsen (1962)]
see Fragilaria schulzii Brockm. (1950)
Opephora schwartzii (Grunow) Petit ex Pelletan (1889)
- [Opephora martyi Héribaud (1902)]
see Martyana martyi (Hérib.) Round (1990)