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 stat. inval.
     Kingdom Bacteria Cavalier-Smith 1998 nom. inval. - bacteria see Kingdom Bacteria Cavalier-Smith 2002 stat. inval.
       Subkingdom Eubacteria Cavalier-Smith 1981 see Domain Bacteria Woese et al. 1990 stat. inval.
         Division Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980) nom. rej. - gram-positive bacteria see Phylum Firmicutes (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval.
           Phylum Endospora see Phylum Firmicutes (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval.
             1 Genus Arthromitus Leidy (1850), nom. dub. see Genus Bacillus Cohn 1872 (Approved Lists 1980)
             1 Genus Bacillus Cohn 1872 (Approved Lists 1980)
             10 Genus Sporosarcina Kluyver and van Niel 1936 (Approved Lists 1980)
             11 Genus Streptococcus Rosenbach 1884 (Approved Lists 1980)
             12 Family Peptococcaceae Rogosa 1971 (Approved Lists 1980)
             2 Genus Clostridium Prazmowski 1880 (Approved Lists 1980)
             3 Genus Coleomitus see Genus Bacillus Cohn 1872 (Approved Lists 1980)
             4 Genus Heliobacterium Gest and Favinger 1985
             5 Genus Lactobacillus Beijerinck 1901 (Approved Lists 1980) nom. cons.
             6 Genus Leuconostoc van Tieghem 1878 (Approved Lists 1980)
             7 Genus Lineola Pringsheim and Robinow 1947 nom. inval.
             8 Genus Sporolactobacillus Kitahara and Suzuki 1963 (Approved Lists 1980)
             9 Genus Sporomusa Möller et al. 1985