life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Prokarya see Domain Bacteria Woese et al. 1990
  Status: extant
     Kingdom Bacteria (Cohn 1870) Cavalier-Smith 1983 - bacteria see Kingdom Bacteria Cavalier-Smith 2002
    Status: extant
       Subkingdom Eubacteria Cavalier-Smith 1981 see Domain Bacteria Woese et al. 1990
      Status: extant
         Division Gracilicutes Gibbons and Murray 1978 (Approved Lists 1980) see Phylum Gracilicutes
        Status: extant
           Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005
          Status: extant
             "Beta Group" see Class Betaproteobacteria Garrity et al. 2006
            Status: extant
               Genus Thiobacillus Beijerinck 1904 (Approved Lists 1980)
              Status: extant
                 Thiobacillus ferrooxidans Temple and Colmer 1951 (Approved Lists 1980) see Acidithiobacillus ferrooxidans (Temple and Colmer 1951) Kelly and Wood 2000
                Status: extant