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Phylum Pseudomonadota
Name: Pseudomonadota Garrity et al. 2021
Etymology: Pseu.do.mo.na.do’ta. N.L. fem. n. Pseudomonas, type genus of the phylum; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Pseudomonadota, the Pseudomonas phylum
Pronunciation (Latin), gender: pse͡u-do-mo-na-DO-ta, neuter
Type genus: Pseudomonas Migula 1894 (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. 
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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
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Synonyms:
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Name Kind "Proteobacteria" Garrity et al. 2005 homotypic synonym, not validly published "Proteobacteria" Gray and Herwig 1996 heterotypic synonym, not validly published "Bdellovibrionota" Waite et al. 2020 heterotypic synonym, not validly published Myxococcota Waite et al. 2021 heterotypic synonym, validly published under the ICNP "Myxococcota" Waite et al. 2020 heterotypic synonym, not validly published "Campylobacterota" Waite et al. 2018 heterotypic synonym, not validly published "Alphaproteobacteriota" Whitman et al. 2018 heterotypic synonym, not validly published "Epsilonbacteraeota" Waite et al. 2017 heterotypic synonym, not validly published "Alphaproteobacteraeota" Oren et al. 2015 heterotypic synonym, not validly published Campylobacterota Waite et al. 2021 heterotypic synonym, validly published under the ICNP Bdellovibrionota Waite et al. 2021 heterotypic synonym, validly published under the ICNP
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Notes:
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🧕 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. 🇩🇪
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🧕 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. 🇮🇱
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🧒 Kwon et al. (2025) assigned the order Radicibacterales Kwon et al. 2025 to this phylum.
Publication:
Kwon JH, Bultum LE, Lee S, Lee SM, Choi M, Lee SW. Radicibacter daui, gen. nov., sp. nov., isolated from tomato rhizosphere soil and proposal of Radicibacteraceae fam. nov. and Radicibacterales ord. nov. Int J Syst Evol Microbiol 2025; 75:6914. 🇰🇷
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🧒 Oren and Garrity (2021) assigned the class Hydrogenophilalia Boden et al. 2017 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. 🇮🇱
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🧒 Oren and Garrity (2021) assigned the class "Candidatus Zetaproteobacteria" Emerson et al. 2007 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. 🇮🇱
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🧒 Oren and Garrity (2021) assigned the family Desulfonauticaceae Waite et al. 2020 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. 🇮🇱
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🧒 Oren and Garrity (2021) assigned the genus Pseudomonas Migula 1894 (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. 🇮🇱
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Pseudomoadota"; "Pseudomonadata"; "Pseudomonatoda"; "Pseudomonodota".
- ✏ The authority of the taxon name (Garrity et al.) deliberately differs from the authors of the publication (Oren and Garrity).
- 🎰 The BRCs most frequently used for deposits in this group are: DSM: 5814; LMG: 3594; JCM: 3112; KCTC: 2987; ATCC: 2504; CCUG: 2016; CIP: 2006; NBRC: 1714; CGMCC: 998; KACC: 929.
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🧍 This name was mentioned in a Request for an Opinion.
Publication:
Goker M. Solving the remaining problems with names of classes. Request for an Opinion. Int J Syst Evol Microbiol 2022; 72:5605. 🇩🇪
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🧕 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: 8
Number of child taxa with a validly published name, including synonyms: 19
Total number of child taxa: 32
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Child taxa:
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Name Nomenclatural status Taxonomic status Acidithiobacillia Williams and Kelly 2013 validly published under the ICNP correct name Alphabacteria Cavalier-Smith 2002 validly published under the ICNP, rejected name synonym Alphaproteobacteria Garrity et al. 2006 validly published under the ICNP correct name Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988 validly published under the ICNP, rejected name synonym Bacteriovoracia Waite et al. 2020 validly published under the ICNP synonym Bdellovibrionia Waite et al. 2020 validly published under the ICNP synonym Betaproteobacteria Garrity et al. 2006 validly published under the ICNP correct name Bradymonadia Chuvochina et al. 2024 validly published under the ICNP synonym "Campylobacteria" Waite et al. 2017 not validly published synonym "Caulobacteria" Cavalier-Smith 2020 not validly published synonym "Chromatibacteria" Cavalier-Smith 2002 not validly published synonym "Chromatiia" Cavalier-Smith 2020 not validly published synonym Deltabacteria Cavalier-Smith 2002 validly published under the ICNP, rejected name synonym Deltaproteobacteria Kuever et al. 2006 validly published under the ICNP correct name Desulfurellia Waite et al. 2020 validly published under the ICNP synonym Epsilonproteobacteria Garrity et al. 2006 validly published under the ICNP correct name Gammaproteobacteria Garrity et al. 2005 validly published under the ICNP correct name Hydrogenophilalia Boden et al. 2017 validly published under the ICNP, illegitimate name synonym Hydrogenophilia Boden et al. 2022 validly published under the ICNP correct name "Candidatus Kuafubacteria" Li et al. 2023 inaccurate spelling misspelling "Candidatus Kuafubacteriia" corrig. Li et al. 2023 not validly published synonym Magnetococcia Chuvochina et al. 2024 validly published under the ICNP synonym "Candidatus Mariprofundia" corrig. Emerson et al. 2007 not validly published synonym "Mariprofundia" Cavalier-Smith 2020 not validly published synonym "Myxococcia" Cavalier-Smith 2020 not validly published synonym Myxococcia Waite et al. 2020 validly published under the ICNP, illegitimate name synonym "Nautiliia" Cavalier-Smith 2020 not validly published synonym Oligoflexia Nakai et al. 2014 validly published under the ICNP correct name Polyangia Waite et al. 2020 inaccurate spelling misspelling Polyangiia corrig. Waite et al. 2020 validly published under the ICNP synonym "Candidatus Zetaproteobacteria" Emerson et al. 2007 inaccurate spelling misspelling "Zetaproteobacteria" Makita et al. 2017 not validly published synonym
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Parent taxon: Pseudomonadati (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/pseudomonadotaLink copied to clipboard
Record number: 25914
This LPSN page was printed on 2026-03-15 09:16:31