life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Prokaryota (Dougherty 1957) Allsopp 1969 [monotypic] see Domain Bacteria Woese et al. 1990 stat. inval.
     Kingdom Bacteria Cavalier-Smith 1998 nom. inval. [paraphyletic] - bacteria see Kingdom Bacteria Cavalier-Smith 2002 stat. inval.
       Subkingdom Negibacteria Cavalier-Smith 1987 nom. inval. [paraphyletic?] see Subkingdom Negibacteria Cavalier-Smith 2002 stat. inval.
         Infrakingdom Glycobacteria Cavalier-Smith 1998 nom. inval. [paraphyletic?] see Infrakingdom Glycobacteria Cavalier-Smith 2002 stat. inval.
           Superphylum Pimelobacteria (Cavalier-Smith 1992) Cavalier-Smith 1998 [paraphyletic?] see Domain Bacteria Woese et al. 1990 stat. inval.
             Phylum Eurybacteria Cavalier-Smith 1998 [paraphyletic?] see Domain Bacteria Woese et al. 1990 stat. inval.
               Subphylum Fusobacteria Cavalier-Smith 1998 see Phylum Fusobacteria Garrity and Holt 2001 nom. inval.
                 1 Genus Fusobacterium Knorr 1922 (Approved Lists 1980)
                 2 Genus Leptotrichia Trevisan 1879 (Approved Lists 1980) nom. cons.