[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 Coscinodiscophycidae Round & R.M. Crawford (1990)
         Order Coscinodiscales Round & R.M. Crawford (1990)
           Family Coscinodiscaceae Kütz. (1844)
             Genus Coscinodiscus Ehrenb. (1839)
               01 Coscinodiscus asteromphalus Ehrenberg
               02 Coscinodiscus centralis Ehrenberg (1838)
               03 Coscinodiscus concinnus W.Sm. (1856)
               04 Coscinodiscus gigas Ehrenberg (1841)
               05 Coscinodiscus granii Gough (1905)
               06 Coscinodiscus jonesianus (Grev.) Ostenfeld
               07 Coscinodiscus lineatus Ehrenberg (1838)
               08 Coscinodiscus marginatus Ehrenberg (1841)
               09 Coscinodiscus nodulifer A.Schmidt (1878) see Azpeitia nodulifera (A.Schmidt, 1878) Fryxell & Sims (1986)
               10 Coscinodiscus oculus-iridis (Ehrenberg, 1839)
               11 Coscinodiscus perforatus Ehrenberg
               12 Coscinodiscus radiatus Ehrenberg (1840)
               13 Coscinodiscus stellaris Roper (1858) see Stellarima stellaris (Roper, 1858) G.R. Hasle & P.A. Sims (1986)
               14 Coscinodiscus wailesii Gran & Angst (1931)