Name: Thermoproteota Garrity and Holt 2021

Category: Phylum

Proposed as: phyl. nov.

Etymology: Ther.mo.pro.te.o’ta. N.L. masc. n. Thermoproteus, type genus of the phylum; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Thermoproteota, the Thermoproteus phylum

Pronunciation (Latin), gender: t^her-mo-pro-te-O-ta, neuter

Type genus: Thermoproteus Zillig and Stetter 1982

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
    "Thermoproteobacteria" Shetty et al. 2025	homotypic synonym, not validly published
    "Nitrososphaerota" Whitman et al. 2018	heterotypic synonym, not validly published
    "Candidatus Korarchaeota" Ludwig and Klenk 2001	heterotypic synonym, pro-validly published under the ICNP
    "Crenarchaeota" Garrity and Holt 2001	homotypic synonym, not validly published
    "Candidatus Methanomethylicota" corrig. Vanwonterghem et al. 2016	heterotypic synonym, pro-validly published under the ICNP
    "Thermoproteota" Whitman et al. 2018	homotypic synonym, not validly published
    "Candidatus Thaumarchaeota" Brochier-Armanet et al. 2008	heterotypic synonym, not pro-validly published
    "Candidatus Geothermarchaeota" Jungbluth et al. 2017	heterotypic synonym, pro-validly published under the ICNP
    "Nitrososphaeraeota" Oren et al. 2015	heterotypic synonym, not validly published
    "Candidatus Verstraetearchaeota" Vanwonterghem et al. 2016	heterotypic synonym, inaccurate spelling
    "Thermoproteaeota" Oren et al. 2015	homotypic synonym, not validly published
    Nitrososphaerota Brochier-Armanet et al. 2021	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🧕 Göker and Oren (2024) assigned this phylum to the domain Archaea 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 "Archaea" 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. 🇮🇱
  • 🧒 Oren and Garrity (2021) assigned the genus Thermoproteus Zillig and Stetter 1982 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 "Candidatus Cenarchaeales" DeLong and Preston 1996 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. 🇮🇱
  • 🧒 Rinke et al. (2021) assigned the class "Thermoproteia" Oren et al. 2016 to this phylum. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959. 🇦🇺
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Thermoprotaeota".
  • ✏ The authority of the taxon name (Garrity and Holt) deliberately differs from the authors of the publication (Oren and Garrity).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 85; JCM: 83; ATCC: 34; NBRC: 27; IFO: 12; NCIMB: 11; VKM: 11; CGMCC: 5; KCTC: 5; InaCC: 3.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 15

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Bathyarchaeia" McGonigle et al. 2019	not validly published	preferred name
    Conexivisphaeria Kato et al. 2021	validly published under the ICNP	synonym
    Crenarchaeota Cavalier-Smith 2002	validly published under the ICNP, rejected name	synonym
    "Candidatus Korarchaeia" Rinke et al. 2021	not validly published	preferred name
    "Candidatus Methanomethylia" Vanwonterghem et al. 2016	inaccurate spelling	misspelling
    "Candidatus Methanomethylicia" corrig. Vanwonterghem et al. 2016	not validly published	pro-correct name
    "Candidatus Methanonezhaarchaeia" Kohtz et al. 2025	not validly published	preferred name
    "Methanosuratincolia" Wu et al. 2024	not validly published	synonym
    Methanosuratincolia Wu et al. 2025	validly published under the ICNP	correct name
    Nitrososphaeria Stieglmeier et al. 2014	validly published under the ICNP	correct name
    "Tardisphaeria" Prokofeva et al. 2025	not validly published	preferred name
    "Thermoprotea" Oren et al. 2015	not validly published	synonym
    Thermoprotei Reysenbach 2002	validly published under the ICNP	correct name
    "Thermoproteia" Oren et al. 2016	not validly published	synonym
    [Thermoproteota, not assigned to class]	artificial parent node of taxa incertae sedis

Parent taxon: Thermoproteati Guy and Ettema 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. 🇩🇪

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Record number: 25910