[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant; Count: 13c;41o;74f;125g;446s;53v
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
  Status: extant; Count: 12c;39o;71f;118g;441s;53v
     Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics
    Status: extant; Count: 12o;21f;32g;136s;9v
       Subclass Coscinodiscophycidae Round & R.M. Crawford (1990)
      Status: extant; Count: 4o;7f;8g;31s;1v
         Order Melosirales R.M. Crawford (1990)
        Status: extant; Count: 2f;2g;6s
           Family Stephanopyxidaceae Nikolaev (1984)
          Status: extant; Count: 1g;2s
             Genus Stephanopyxis (Ehrenb.) Ehrenb. (1845)
            Status: extant; Count: 2s
               Stephanopyxis palmeriana (Grev.) Grunow (1884)
              Status: extant; Count: -