[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics
       Subclass Chaetocerotophycidae Round & R.M. Crawford (1990) see Class Mediophyceae Medlin & Kaczmarska (2004)
         Order Chaetocerotales Round & R.M. Crawford (1990)
           Family Chaetocerotaceae Ralfs (1861)
             Genus Chaetoceros Ehrenb. (1844)
               01 Chaetoceros affinis Lauder (1864)
               02 Chaetoceros anastomosans Grunow, in Van Heurck
               03 Chaetoceros atlanticus Cleve (1873)
               04 Chaetoceros borealis J.W. Bailey (1854)
               05 Chaetoceros brevis Schütt (1895)
               06 Chaetoceros coarctatus Lauder
               07 Chaetoceros compressus Lauder (1864)
               08 Chaetoceros constrictus Gran
               09 Chaetoceros costatus Pavillard (1911)
               10 Chaetoceros crinitus Schütt (1895)
               11 Chaetoceros curvisetus Cleve (1889)
               12 Chaetoceros dadayi Pavillard
               13 Chaetoceros danicus Cleve (1889)
               14 Chaetoceros debilis Cleve (1889)
               15 Chaetoceros decipiens Cleve (1873)
               16 Chaetoceros densus (Cleve) Cleve
               17 Chaetoceros diadema (Ehrenberg) Gran (1897)
               18 Chaetoceros didymus Ehrenberg (1845)
               19 Chaetoceros diversus Cleve
               20 Chaetoceros eibeni (Grunow) Meunier, in Van Heurck see Chaetoceros eibenii (Grunow) Meunier (1913)
               21 Chaetoceros gracilis Schütt (1895)
               22 Chaetoceros holsaticus Schütt (1895)
               23 Chaetoceros imbricatus Mangin
               24 Chaetoceros laciniosus Schütt (1895)
               25 Chaetoceros lauderi Ralfs, in Lauder (1864)
               26 Chaetoceros lorenzianus Grunow (1863)
               27 Chaetoceros messanensis Castracane
               28 Chaetoceros perpusillus Cleve (1897)
               29 Chaetoceros peruvianus Brightwell
               30 Chaetoceros pseudocurvisetus Mangin
               31 Chaetoceros rostratus Lauder
               32 Chaetoceros saltans Cleve
               33 Chaetoceros similis Cleve (1896)
               34 Chaetoceros simplex Ostenfeld (1901)
               35 Chaetoceros socialis Lauder (1864)
               36 Chaetoceros teres Cleve (1896)
               37 Chaetoceros tetrastichon Cleve
               38 Chaetoceros tortissimus Gran (1900)
               39 Chaetoceros vistulae Apstein
               40 Chaetoceros wighami Brightwell see Chaetoceros wighamii Brightwell (1856)