life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokarya see Domain Bacteria Woese et al. 1990
     Kingdom Bacteria (Cohn 1870) Cavalier-Smith 1983 - bacteria see Kingdom Bacteria Cavalier-Smith 2002
       Subkingdom Eubacteria Cavalier-Smith 1981 see Domain Bacteria Woese et al. 1990
         Division Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) - gram-positive bacteria see Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
           1 Phylum Endospora see Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
           2 Phylum Pirellulae Margulis and Schwartz 1998 see Phylum Planctomycetes Garrity and Holt 2001
           3 Phylum Actinobacteria Garrity and Holt 2001
           4 Phylum Deinococci Margulis and Schwartz 1998 see Class Deinococci Garrity and Holt 2001 nom. inval.
           5 Phylum Thermotogae Margulis and Schwartz 1998 - thermophilic fermenters see Phylum Thermotogae Reysenbach 2001