Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
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
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 Fragilariaᵀ Lyngb. (1819)
Fragilaria acidoclinata Lange-Bertalot & Hofmann
Fragilaria africana Hustedt
Fragilaria alpestris Krasske ex Hustedt (1931)
Fragilaria biceps (Kützing) Lange-Bertalot
Fragilaria bidens Heib. (1863)
Fragilaria capucina Desmazières (1925)
Fragilaria construens (Ehrenberg) Grunow
Fragilaria crotonensis Kitton (1869)
Fragilaria delicatissima
Fragilaria dilatata (Bréb.) Lange-Bertalot
Fragilaria famelica
Fragilaria fasciculata (C.Agardh) Lange-Bertalot
Fragilaria fragilarioides (Grunow, in Van Heurck) Cholnoky (1963)
Fragilaria gedanensis
Fragilaria geocollegarum
Fragilaria heidenii Østrup (1910)
Fragilaria hyalina (Kützing) Grunow (1862)
Fragilaria incognita Reichardt (1988)
Fragilaria inflata (Heiden) Hustedt
Fragilaria investiens
Fragilaria islandica Grunow, in Van Heurck (1881)
Fragilaria istvanffyi
Fragilaria lata (A.Cleve) Renberg (1977)
Fragilaria martyi (Héribaud) Lange-Bertalot
Fragilaria mazamaensis (Sovereign, 1958) Lange-Bertalot (1980)
Fragilaria nanana Lange-Bertalot
Fragilaria neoproducta Lange-Bertalot (1991)
Fragilaria oceanica Cleve (1873)
Fragilaria oldenburgiana Hustedt (1959)
Fragilaria parasitica (W.Sm.) Grunow, in Van Heurck (1881)
Fragilaria reicheltii (Voigt, 1902) Lange-Bertalot (1986)
Fragilaria schulzii Brockm. (1950)
Fragilaria sopotensis
Fragilaria striatula Lyngbye (1819)
Fragilaria sublinearis
Fragilaria subsalina (Grunow) Lange-Bertalot
Fragilaria tenera (W.Sm., 1856) Lange-Bertalot (1980)
Fragilaria tenuicollis Heib. (1863)
Fragilaria ulna (Nitzsch) Lang.-Bert.
Fragilaria vaucheriae (Kützing) Petersen (1938)
Fragilaria virescens Ralfs