Subscribe to our newsletter
Sign up to our mailing list to receive updates from LPSN every few months.
Follow the ICSP and DSMZ (D3) on LinkedIn.
Phylum Bacillota
Name: Bacillota Gibbons and Murray 2021
Etymology: Ba.cil.lo’ta. L. masc. n. Bacillus, type genus of the phylum; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Bacillota, the Bacillus phylum
Pronunciation (Latin), gender: ba-kil-LO-ta, neuter
Type genus: Bacillus Cohn 1872 (Approved Lists 1980)
Valid publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 
🇮🇱
IJSEM list:
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 10 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5165.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
-
Synonyms:
-
Name Kind "Desulfotomaculota" Watanabe et al. 2019 heterotypic synonym, not validly published "Eurybacteria" Cavalier-Smith 2006 heterotypic synonym, not validly published "Eurybacteria" Cavalier-Smith 1998 heterotypic synonym, not validly published "Halanaerobiota" corrig. Alsufyani 2018 heterotypic synonym, not validly published Thermodesulfobiota Frolov et al. 2023 heterotypic synonym, validly published under the ICNP "Endobacteria" (Cavalier-Smith 1998) Cavalier-Smith 2020 homotypic synonym, not validly published "Bacillota" Whitman et al. 2018 homotypic synonym, not validly published "Firmicutes" (Gibbons and Murray 1978) Garrity and Holt 2001 homotypic synonym, not validly published "Clostridiota" Misery et al. 2025 heterotypic synonym, not validly published "Halanaerobiaeota" Alsufyani 2018 heterotypic synonym, inaccurate spelling "Bacillaeota" Oren et al. 2015 homotypic synonym, not validly published
-
-
Notes:
-
🧕 Göker and Oren (2024) assigned this phylum to the domain Bacteria Woese et al. 2024.
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. 🇩🇪
-
🧕 Oren and Garrity (2021) assigned this phylum to the domain "Bacteria" Woese et al. 1990.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 🇮🇱
-
🧒 El Houari et al. (2025) assigned the family Anaerozeibacteraceae El Houari et al. 2025 to this phylum.
Publication:
El Houari A, Carpenter M, Chaplin D, Golyshin P, McDonald JE. Anaerozeibacter quisquiliarum gen. nov., sp. nov., a novel mesophilic bacterium isolated from a laboratory-scale methanogenic landfill bioreactor digesting maize, and proposal of Anaerozeibacteraceae fam. nov., representing a new family within the order Eubacteriales. Int J Syst Evol Microbiol 2025; 75:6985. 🇬🇧
-
🧒 Kevbrin and Boltyanskaya (2024) assigned the family Proteinivoracaceae corrig. Kevbrin et al. 2014 to this phylum.
Publication:
Kevbrin VV, Boltyanskaya YV. Proteinivoracaceae Kevbrin et al. 2013, VL155. In: Whitman WB, Rainey FA, Kämpfer P, Trujillo ME, DeVos P, Hedlund B, Dedysh S (eds), Bergey's Manual of Archaea and Bacteria., John Wiley & Sons, New York, 2024, p. 1-5. 🇷🇺
-
🧒 Mahoney-Kurpe et al. (2023) assigned the family Aristaeellaceae Mahoney-Kurpe et al. 2023 to this phylum.
Publication:
Mahoney-Kurpe SC, Palevich N, Noel SJ, Gagic D, Biggs PJ, Soni P, Reid PM, Koike S, Kobayashi Y, Janssen PH, et al. Aristaeella hokkaidonensis gen. nov. sp. nov. and Aristaeella lactis sp. nov., two rumen bacterial species of a novel proposed family, Aristaeellaceae fam. nov. Int J Syst Evol Microbiol 2023; 73:5831. 🇳🇿
-
🧒 Oren and Garrity (2021) assigned the class "Tissierellia" Alauzet et al. 2014 to this phylum.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 🇮🇱
-
🧒 Oren and Garrity (2021) assigned the class "Desulfotomaculia" Watanabe et al. 2019 to this phylum.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 🇮🇱
-
🧒 Oren and Garrity (2021) assigned the class "Symbiobacteriia" Wang et al. 2021 to this phylum.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 🇮🇱
-
🧒 Oren and Garrity (2021) assigned the genus Bacillus Cohn 1872 (Approved Lists 1980) to this phylum.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 🇮🇱
-
🧒 Oren and Garrity (2021) assigned the order "Saccharofermentanales" Parks et al. 2018 to this phylum.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 🇮🇱
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Bacilliota".
- ✏ The authority of the taxon name (Gibbons and Murray) deliberately differs from the authors of the publication (Oren and Garrity).
- 🎰 The BRCs most frequently used for deposits in this group are: DSM: 4244; JCM: 2285; ATCC: 1782; LMG: 1477; CCUG: 1355; CIP: 1141; KCTC: 1044; NBRC: 727; NCIMB: 557; CGMCC: 549.
-
🧕 Göker and Oren (2024) assigned this phylum to the domain Bacteria Woese et al. 2024.
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.
Number of child taxa with a validly published and correct name: 9
Number of child taxa with a validly published name, including synonyms: 24
Total number of child taxa: 41
-
Child taxa:
-
Name Nomenclatural status Taxonomic status Alicyclobacillia Chuvochina et al. 2024 validly published under the ICNP synonym Bacilli Ludwig et al. 2010 validly published under the ICNP correct name "Bacillia" Cavalier-Smith 2020 not validly published synonym [Bacillota, not assigned to class] artificial parent node of taxa incertae sedis Clostridia Rainey 2010 validly published under the ICNP correct name "Clostridiia" Cavalier-Smith 2020 not validly published synonym Culicoidibacteria Neupane et al. 2020 validly published under the ICNP correct name Desulfitisporia Sorokin and Merkel 2023 validly published under the ICNP synonym Desulfitobacteriia Chuvochina et al. 2024 validly published under the ICNP synonym Desulfotomaculia Chuvochina et al. 2024 validly published under the ICNP synonym "Desulfotomaculia" Watanabe et al. 2019 not validly published synonym Desulfuribacillia Sorokin et al. 2021 validly published under the ICNP synonym Dethiobacteria Sorokin and Merkel 2025 validly published under the ICNP synonym Erysipelotrichia Ludwig et al. 2010 validly published under the ICNP correct name "Candidatus Fermentithermobacillia" Kadnikov et al. 2023 not validly published preferred name Firmibacteria Murray 1988 validly published under the ICNP, rejected name synonym "Halanaerobiia" Cavalier-Smith 2020 not validly published synonym "Candidatus Izemoplasma" Zheng et al. 2021 inaccurate spelling misspelling "Candidatus Izemoplasmatia" corrig. Zheng et al. 2021 not validly published synonym Limnochordia Watanabe et al. 2015 validly published under the ICNP correct name "Moorellia" Sorokin et al. 2020 not validly published synonym "Natranaerobiia" Sorokin et al. 2021 not validly published synonym Natranaerobiia Chuvochina et al. 2024 validly published under the ICNP synonym Negativicutes Marchandin et al. 2010 validly published under the ICNP correct name Peptococcia Chuvochina et al. 2024 validly published under the ICNP synonym "Selenobacteria" Cavalier-Smith 2006 not validly published synonym "Selenomonadia" Cavalier-Smith 2020 not validly published synonym Sulfobacillia Chuvochina et al. 2024 validly published under the ICNP synonym "Symbiobacteriia" Wang et al. 2021 not validly published synonym Symbiobacteriia Chuvochina et al. 2024 validly published under the ICNP synonym Syntrophomonadia Chuvochina et al. 2024 validly published under the ICNP correct name Teichobacteria Cavalier-Smith 2002 validly published under the ICNP, rejected name synonym "Thermacetogenia" Voyron et al. 2022 inaccurate spelling misspelling "Thermacetogeniia" corrig. Voyron et al. 2022 not validly published synonym Thermaerobacteria Chuvochina et al. 2024 validly published under the ICNP correct name Thermincolia Chuvochina et al. 2024 validly published under the ICNP synonym "Thermoanaerobacteria" Sorokin et al. 2020 not validly published synonym Thermodesulfobiia Frolov et al. 2023 validly published under the ICNP synonym Thermolithobacteria Sokolova et al. 2007 validly published under the ICNP correct name Thermosediminibacteria Chuvochina et al. 2024 validly published under the ICNP synonym "Tissierellia" Alauzet et al. 2014 not validly published synonym
-
Parent taxon: Bacillati (Gibbons and Murray 1978) Oren and Göker 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://lpsn.dsmz.de/phylum/bacillotaLink copied to clipboard
Record number: 25911
This LPSN page was printed on 2026-02-06 23:32:20