[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 Bacillariophyceae Haeckel (1878) - pennates
    Count: 8o;13f;20g;55s
       Subclass Bacillariophycidae D.G.Mann (1990) - raphid diatoms
      Count: 8o;13f;20g;55s
         Order Achnanthales P.C.Silva (1962)
        Count: 2f;2g;3s
           Family Achnanthaceae Kütz. (1844)
          Count: 1g;2s
             Genus Achnanthes Bory (1822)
            Count: 2s
               1 Achnanthes brevipes C.Agardh (1824)
              Count: -
               2 Achnanthes longipes C.Agardh (1824)
              Count: -