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 Mediophyceae Medlin & Kaczmarska (2004) [paraphyletic] - bipolar centrics
Order Chaetocerotalesᵀ Round & R.M. Crawford (1990)
Family Chaetocerotaceaeᵀ Ralfs (1861)
Genus Chaetocerosᵀ Ehrenb. (1844)
Chaetoceros affinis Lauder (1864)
Chaetoceros anastomosans Grunow, in Van Heurck
Chaetoceros atlanticus Cleve (1873)
Chaetoceros borealis J.W. Bailey (1854)
Chaetoceros brevis Schütt (1895)
Chaetoceros ceratosporum
Chaetoceros ceratosporus Ostenfeld (1910)
Chaetoceros cinctus Gran (1897)
Chaetoceros coarctatus Lauder
Chaetoceros compressus Lauder (1864)
Chaetoceros concavicornis Mangin (1917)
Chaetoceros constrictus Gran
Chaetoceros contortus Schütt (1895)
Chaetoceros convolutus Castracane (1886)
Chaetoceros coronatus Gran (1897)
Chaetoceros costatus Pavillard (1911)
Chaetoceros crinitus Schütt (1895)
Chaetoceros curvisetus Cleve (1889)
Chaetoceros dadayi Pavillard
Chaetoceros danicus Cleve (1889)
Chaetoceros debilis Cleve (1889)
Chaetoceros decipiens Cleve (1873)
Chaetoceros densus (Cleve) Cleve
Chaetoceros diadema (Ehrenberg) Gran (1897)
Chaetoceros didymus Ehrenberg (1845)
Chaetoceros distinguendum
Chaetoceros distinguendus Lemmermann
Chaetoceros diversus Cleve
Chaetoceros eibenii (Grunow) Meunier (1913)
Chaetoceros exospermus Meunier (1913)
Chaetoceros gracilis Schütt (1895)
Chaetoceros holsaticus Schütt (1895)
Chaetoceros imbricatus Mangin
Chaetoceros laciniosus Schütt (1895)
Chaetoceros lauderi Ralfs, in Lauder (1864)
Chaetoceros lorenzianus Grunow (1863)
Chaetoceros messanensis Castracane
Chaetoceros minimus (Levander, 1904) D. Marino, G. Giuffre, M. Montresor & A. Zingone (1991)
Chaetoceros mitra (J.W. Bailey) Cleve (1896)
Chaetoceros muelleri Lemmermann (1898)
Chaetoceros orientalis J. Schiller
Chaetoceros perpusillus Cleve (1897)
Chaetoceros peruvianus Brightwell
Chaetoceros pseudocrinitus Ostenfeld (1901)
Chaetoceros pseudocurvisetus Mangin
Chaetoceros radicans Schütt (1895)
Chaetoceros rostratus Lauder
Chaetoceros salsugineum Takano
Chaetoceros saltans Cleve
Chaetoceros seiracanthus Gran (1897)
Chaetoceros similis Cleve (1896)
Chaetoceros simplex Ostenfeld (1901)
Chaetoceros socialis Lauder (1864)
Subgenus Chaetoceros subg. Hyalochaete
Subgenus Chaetoceros subg. Phaeoceros
Chaetoceros subtilis Cleve (1896)
Chaetoceros tenuissimus Meunier (1913)
Chaetoceros teres Cleve (1896)
Chaetoceros tetrastichon Cleve
Chaetoceros tortissimus Gran (1900)
Chaetoceros vistulae Apstein
Chaetoceros wighamii Brightwell (1856)