[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Supergroup Excavata Cavalier-Smith, 2002 see [unranked] Excavata Cavalier-Smith, 2002
       Fornicata Simpson, 2003 see Infraphylum Fornicata Simpson, 2003
         Eopharyngia Cavalier-Smith, 1993 see Superclass Eopharyngia (Cavalier-Smith, 1993) Cavalier-Smith, 2003
           Diplomonadida Wenyon, 1926 see Order Diplomonadida Wenyon, 1926
             Hexamitinae Kent, 1880 see Family Hexamitidae Kent, 1881
               1 Genus Hexamita Dujardin, 1838
               2 Genus Spironucleus Lavier, 1936
               3 Genus Trepomonas Dujardin, 1841