[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 13c;41o;74f;125g;446s;53v
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
  Count: 12c;39o;71f;118g;441s;53v
     Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics
    Count: 12o;21f;32g;136s;9v
       Subclass Thalassiosirophycidae Round & R.M. Crawford (1990) see Class Mediophyceae Medlin & Kaczmarska (2004)
      Count: 1o;4f;5g;18s
         Order Thalassiosirales Glezer & I.V. Makarova (1986)
        Count: 4f;5g;18s
           Family Skeletonemataceae M. Lebour (1930)
          Count: 2g;4s
             Genus Skeletonema Grev. (1865)
            Count: 2s
               Skeletonema costatum (Grev.) Cleve (1873)
              Count: -