Name: Thermoplasmatota Chuvochina et al. 2024

Category: Phylum

Proposed as: phyl. nov.

Etymology: Ther.mo.plas.ma.to’ta. N.L. neut. n. Thermoplasma, type genus of the phylum; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Thermoplasmatota, phylum of the genus Thermoplasma

Pronunciation, gender: t^her-mo-plas-ma-TO-ta, neuter

Type genus: Thermoplasma Darland et al. 1970 (Approved Lists 1980)

Effective publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.

IJSEM list: Oren A, Göker M. Validation list no. 215. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Methanobacteriota Garrity and Holt 2023

• Synonyms:

  • Name	Kind
    "Thermoplasmatota" Rinke et al. 2021	homotypic synonym, not validly published
    Methanobacteriota Garrity and Holt 2023	heterotypic synonym, validly published under the ICNP
    Halobacteriota Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    "Methanobacteriota" Whitman et al. 2018	heterotypic synonym, not validly published
    "Euryarchaeota" Garrity and Holt 2001	heterotypic synonym, not validly published
    "Methanobacteraeota" Oren et al. 2015	heterotypic synonym, not validly published
    "Halobacteriota" Rinke et al. 2021	heterotypic synonym, not validly published

• Notes:
  • 🧕 Göker and Oren (2024) assigned this phylum to the domain Archaea Woese et al. 2024. Publication: Göker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. International Journal of Systematic and Evolutionary Microbiology 2024; 74:0.
  • 🧕 Göker and Oren (2024) assigned this phylum to the kingdom Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024. Publication: Göker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. International Journal of Systematic and Evolutionary Microbiology 2024; 74:0.
  • 🧒 Chuvochina et al. (2023) assigned the class "Candidatus Poseidoniia" Rinke et al. 2019 to this phylum. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧒 Chuvochina et al. (2023) assigned the class Thermoplasmata Reysenbach 2002 to this phylum. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧒 Chuvochina et al. (2023) assigned the genus Thermoplasma Darland et al. 1970 (Approved Lists 1980) to this phylum. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧒 Mäke et al. (2025) assigned the class "Candidatus Penumbrarchaeia" Maeke et al. 2025 to this phylum. Publication: Maeke MD, Yin X, Wunder LC, Vanni C, Richter-Heitmann T, Miravet-Verde S, Ruscheweyh HJ, Sunagawa S, Fabian J, Piontek J, et al. Extensive data mining uncovers novel diversity among members of the rare biosphere within the Thermoplasmatota. Microbiome 2025; 13:155.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Thermosplasmatota".
  • 😡 This taxon name is a homonym of "Candidatus Thermoplasmatota" Rinke et al. 2019.
  • ❗ Thermoplasmatota is the correct name instead if this phylum is regarded as a separate phylum (i.e., if its nomenclatural type is not assigned to another phylum whose name is validly published, legitimate and not rejected and has priority).

Parent taxon: Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Göker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. International Journal of Systematic and Evolutionary Microbiology 2024; 74:0.

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Record number: 43718