Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Heterokonta Caval.-Sm. (1986)
                                   Phylum Ochrophyta Caval.-Sm. (1995)
                                     Subphylum Khakista Caval.-Sm. (2000)
                                       Diatomea Kütz. (1844)
                                         Class Bacillariophyceae Haeckel (1878) - pennates
                                           Subclass Bacillariophycidaeᵀ D.G.Mann (1990) - raphid diatoms
                                             Order Cymbellales D.G.Mann (1990)
                                               Family Cymbellaceaeᵀ Grev. (1833)
                                                 Genus Encyonema Kütz. (1833)
                                                   Encyonema alpinum (Grunow) D.G.Mann (1990)
                                                   Encyonema braunii (Hust.) D.G.Mann (1990)
                                                   Encyonema brehmii (Hust.) D.G.Mann (1990)
                                                   Encyonema caespitosum Kütz. (1849)
                                                   Encyonema elginense (Krammer) D.G.Mann (1990)
                                                   Encyonema formosum (Hust.) D.G.Mann (1990)
                                                   Encyonema gracile Ehrenb. (1841)
                                                   Encyonema grossestriatum (O.Müll.) D.G.Mann (1990)
                                                   Encyonema hebridicum Grunow ex Cleve (1891)
                                                   Encyonema javanicum (Hust.) D.G.Mann (1990)
                                                   Encyonema juriljii (Hust.) D.G.Mann (1990)
                                                   Encyonema lacustre (C.Agardh) D.G.Mann (1990)
                                                   Encyonema latens (Krasske) D.G.Mann (1990)
                                                   Encyonema lunatum (W.Sm.) Van Heurck (1896)
                                                   Encyonema mesianum (Cholnoky) D.G.Mann (1990)
                                                   Encyonema minutum (Hilse) D.G.Mann (1990)
                                                   Encyonema muelleri (Hust.) D.G.Mann (1990)
                                                   Encyonema obscurum (Krasske) D.G.Mann (1990)
                                                   Encyonema paucistriatum (Cleve-Euler) D.G.Mann (1990)
                                                   Encyonema perpusillum (A.Cleve) D.G.Mann (1990)
                                                   Encyonema prostratum (Berk.) Kütz. (1844)
                                                   Encyonema reichardtii (Krammer) D.G.Mann (1990)
                                                   Encyonema rugosum (Hust.) D.G.Mann (1990)
                                                   Encyonema silesiacum (Bleisch) D.G.Mann (1990)
                                                   Encyonema spiculum (Hust.) D.G.Mann (1990)
                                                   Encyonema subalpinum (Hust.) D.G.Mann (1990)
                                                   Encyonema subturgidum (Hust.) D.G.Mann (1990)
                                                   Encyonema tenuissimum (Hust.) D.G.Mann (1990)
                                                   Encyonema triangulum (Ehrenb.) Kütz. (1849)
                                                   Encyonema turgidum (Gregory) Grunow ex A.Schmidt (1875)