Kingdom Bacillati

Name: Bacillati (Gibbons and Murray 1978) Oren and Göker 2024

Category, proposed as: kingdom, regn. nov.

Etymology: Ba.cil.la’ti. L. masc. n. Bacillus, type genus of the kingdom; N.L. masc. pl. n. suff. -ati, ending to denote a kingdom; N.L. masc. pl. n. Bacillati, the Bacillus kingdom

Pronunciation (Latin), gender: ba-kil-LA-ti, masculine

Type genus: Bacillus Cohn 1872 (Approved Lists 1980)

Valid publication: Goker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. Int J Syst Evol Microbiol 2024; 74:6242. 🇩🇪

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 1 of the IJSEM. Int J Syst Evol Microbiol 2024; 74:6271.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Terrabacterida Luketa 2012	heterotypic synonym, validly published under the ICN (Botanical Code), descriptive name

• Notes:
  • 🧒 Göker and Oren (2024) assigned the genus Bacillus Cohn 1872 (Approved Lists 1980) to this kingdom. Publication: Goker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. Int J Syst Evol Microbiol 2024; 74:6242. 🇩🇪
  • 🧒 Mori et al. (2026) assigned the phylum Vulcanimicrobiota Yabe et al. 2024 to this kingdom. Publication: Mori K, Hidaka K, Tamazawa S, Hosoyama A, Tamaki H, Kakegawa T, Hanada S. Caldifarcimen microaerophilum gen. nov., sp. nov., a facultatively anaerobic, thermophilic bacterium of a novel bacterial phylum, Caldifarciminota phyl. nov., formerly called candidate phylum WOR-3, description of Caldifarciminaceae fam. nov., Caldifarciminales ord. nov. and Caldifarciminia classis nov. Int J Syst Evol Microbiol 2026; 76:7229. 🇯🇵
  • 🧒 Mori et al. (2026) assigned the phylum Thermomicrobiota Garrity and Holt 2021 to this kingdom. Publication: Mori K, Hidaka K, Tamazawa S, Hosoyama A, Tamaki H, Kakegawa T, Hanada S. Caldifarcimen microaerophilum gen. nov., sp. nov., a facultatively anaerobic, thermophilic bacterium of a novel bacterial phylum, Caldifarciminota phyl. nov., formerly called candidate phylum WOR-3, description of Caldifarciminaceae fam. nov., Caldifarciminales ord. nov. and Caldifarciminia classis nov. Int J Syst Evol Microbiol 2026; 76:7229. 🇯🇵
  • 🧒 Mori et al. (2026) assigned the phylum Abditibacteriota Tahon et al. 2023 to this kingdom. Publication: Mori K, Hidaka K, Tamazawa S, Hosoyama A, Tamaki H, Kakegawa T, Hanada S. Caldifarcimen microaerophilum gen. nov., sp. nov., a facultatively anaerobic, thermophilic bacterium of a novel bacterial phylum, Caldifarciminota phyl. nov., formerly called candidate phylum WOR-3, description of Caldifarciminaceae fam. nov., Caldifarciminales ord. nov. and Caldifarciminia classis nov. Int J Syst Evol Microbiol 2026; 76:7229. 🇯🇵
  • ✏ The authority of the taxon name (Oren and Göker) deliberately differs from the authors of the publication (Göker and Oren).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 9729; JCM: 6725; ATCC: 4577; NBRC: 3678; NRRL: 2667; KCTC: 2653; LMG: 2458; CCUG: 2371; CIP: 2299; IFO: 2096.

Subdivision:

Number of child taxa with a validly published and correct name: 7
Number of child taxa with a validly published name, including synonyms: 12
Total number of child taxa: 50

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Actinobacteraeota" Oren et al. 2015	not validly published	synonym
    "Actinobacteria" Goodfellow 2012	not validly published	synonym
    "Actinobacteria" (ex Margulis 1974) Cavalier-Smith 2020	not validly published	synonym
    "Actinobacteriota" Whitman et al. 2018	not validly published	synonym
    Actinomycetota Goodfellow 2021	validly published under the ICNP	correct name
    "Candidatus Altimarinota" corrig. Rinke et al. 2013	not validly published	synonym
    "Armatimonadaeota" Oren et al. 2015	not validly published	synonym
    "Armatimonadetes" Tamaki et al. 2011	not validly published	synonym
    "Armatimonadota" Whitman et al. 2018	not validly published	synonym
    Armatimonadota Tamaki et al. 2021	validly published under the ICNP	correct name
    "Bacillaeota" Oren et al. 2015	not validly published	synonym
    Bacillota Gibbons and Murray 2021	validly published under the ICNP	correct name
    "Bacillota" Whitman et al. 2018	not validly published	synonym
    "Chlorobacteria" Cavalier-Smith 2006	not validly published	synonym
    "Chloroflexaeota" Oren et al. 2015	not validly published	synonym
    "Chloroflexi" Garrity and Holt 2001	not validly published	synonym
    Chloroflexota Garrity and Holt 2021	validly published under the ICNP	correct name
    "Chloroflexota" Whitman et al. 2018	not validly published	synonym
    "Clostridiota" Misery et al. 2025	not validly published	synonym
    "Cyanobacteria" Woese et al. 1985	not validly published	synonym
    Cyanobacteria Garcia-Pichel et al. 2020	validly published under the ICN (Botanical Code), descriptive name	synonym
    Cyanobacteriophyta corrig. Oren et al. 2022	validly published under the ICNP, inappropriate correction	misspelling
    Cyanobacteriota Oren et al. 2022	validly published under the ICNP	correct name
    Cyanophyta Geitler 1925	validly published under the ICN (Botanical Code), descriptive name	synonym
    "Cyanoprokaryota" Komárek and Golubić 1990	not validly published, descriptive name	synonym
    "Endobacteria" (Cavalier-Smith 1998) Cavalier-Smith 2020	not validly published	synonym
    "Eurybacteria" Cavalier-Smith 1998	not validly published	synonym
    "Candidatus Fervidibacteria" Rinke et al. 2013	inaccurate spelling	misspelling
    "Candidatus Fervidibacterota" corrig. Rinke et al. 2013	not validly published	synonym
    "Firmicutes" (Gibbons and Murray 1978) Garrity and Holt 2001	not validly published	synonym
    "Candidatus Gracilibacteria" Rinke et al. 2013	inaccurate spelling	misspelling
    "Halanaerobiaeota" Alsufyani 2018	inaccurate spelling	misspelling
    "Halanaerobiota" corrig. Alsufyani 2018	not validly published	synonym
    "Candidatus Lithacetigenota" Nobu et al. 2023	not validly published	preferred name
    "Candidatus Microgenomates" Rinke et al. 2013	inaccurate spelling	misspelling
    "Candidatus Microgenomatota" corrig. Rinke et al. 2013	not validly published	synonym
    Minisyncoccota Nakajima et al. 2025	validly published under the ICNP	correct name
    "Mollicutaeota" Oren et al. 2015	not validly published	synonym
    "Mollicutota" Whitman et al. 2018	not validly published	synonym
    Mycoplasmatota Murray 2021	validly published under the ICNP	correct name
    "Candidatus Pacebacteria" Brown et al. 2015	inaccurate spelling	misspelling
    "Candidatus Paceibacterota" corrig. Brown et al. 2015	not validly published	synonym
    "Candidatus Parcubacteria" Rinke et al. 2013	not validly published	synonym
    "Candidatus Patescibacteriota" Dutkiewicz et al. 2025	not validly published	synonym
    Protophytaria Walton 1931	validly published under the ICN (Botanical Code), descriptive name	synonym
    "Candidatus Saccharibacteria" Albertsen et al. 2013	inaccurate spelling	misspelling
    "Candidatus Saccharimonadota" corrig. Albertsen et al. 2013	not validly published	synonym
    "Candidatus Sysuimicrobiota" Liu et al. 2024	not validly published	preferred name
    "Tenericutes" (Murray 1984) Brown 2010	not validly published	synonym
    Thermodesulfobiota Frolov et al. 2023	validly published under the ICNP	synonym

Parent taxon: Bacteria Woese et al. 2024

Assigned by: Goker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. Int J Syst Evol Microbiol 2024; 74:6242. 🇩🇪

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.43129Copy to clipboardLink copied to clipboard

Record number: 43129

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31