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
     Kingdom Bacteria (Cohn 1870) Cavalier-Smith 1983 [paraphyletic] - bacteria see Kingdom Bacteria Cavalier-Smith 2002
       Subkingdom Negibacteria Cavalier-Smith 1987 [paraphyletic?] see Subkingdom Negibacteria Cavalier-Smith 2002
         Infrakingdom Glycobacteria Cavalier-Smith 1998 [paraphyletic?] see Infrakingdom Glycobacteria Cavalier-Smith 2002
           Superphylum Pimelobacteria (Cavalier-Smith 1992) Cavalier-Smith 1998 [paraphyletic?] see Domain Bacteria Woese et al. 1990
             Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
               Subphylum Rhodobacteria Cavalier-Smith 1998 see Phylum Proteobacteria Garrity and Holt 2001
                 Infraphylum Chromatibacteria Cavalier-Smith 1998 see Phylum Proteobacteria Garrity et al. 2005
                   Genus Haemophilus Winslow et al. 1917 (Approved Lists 1980)
                     Haemophilus influenzae (Lehmann and Neumann 1896) Winslow et al. 1917 (Approved Lists 1980)