living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Chromophycota see Phylum Chromophyta T.A.Chr. (1962), nom. nud.
           Class Bacillariophyceae Haeckel (1878) - pennates
             Order Pennales see Class Bacillariophyceae Haeckel (1878)
               Suborder Biraphidineae see Subclass Bacillariophycidae D.G.Mann (1990)
                 1 Family Naviculaceae Kütz. (1844)
                 2 Family Cymbellaceae Grev. (1833)
                 3 Family Entomoneidaceae Reimer (1975)
                 4 Family Nitzschiaceae see Family Bacillariaceae Ehrenb. (1831)
                 5 Family Epithemiaceae see Family Rhopalodiaceae (Karsten) Topachevs'kyj & Oksiyuk (1960)
                 6 Family Auriculaceae Hendey (1964)
                 7 Family Surirellaceae Kütz. (1844)