Name: "Candidatus Hydrothermarchaeota" Jungbluth et al. 2017

Category: Phylum

Proposed as: Candidatus

Etymology: Hy.dro.therm.ar.chae.o’ta. N.L. neut. n. Hydrothermarchaeum, a Candidatus genus name; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Hydrothermarchaeota, the Candidatus Hydrothermarchaeum phylum

Pronunciation (Latin), gender: hy-dro-t^herm-ar-k^ha͡e-O-ta, neuter

Type genus: "Candidatus Hydrothermarchaeum" Chuvochina et al. 2019

Effective publication: Jungbluth SP, Amend JP, Rappe MS. Metagenome sequencing and 98 microbial genomes from Juan de Fuca Ridge flank subsurface fluids. Sci Data 2017; 4:170037. 🇺🇸

IJSEM list: Oren A, Göker M. Candidatus list no. 5. Lists of names of prokaryotic Candidatus taxa. Int J Syst Evol Microbiol 2023; 73:5821.

Nomenclatural status: not validly published

Nomenclatural pro-status: pro-validly published under the ICNP

Taxonomic status: pro-correct name

• Notes:
  • 🧕 Jungbluth et al. (2017) assigned this phylum to the domain "Archaea" Woese et al. 1990. Publication: Jungbluth SP, Amend JP, Rappe MS. Metagenome sequencing and 98 microbial genomes from Juan de Fuca Ridge flank subsurface fluids. Sci Data 2017; 4:170037. 🇺🇸
  • 🧍 The distinct name Geothermarchaeota from the same publication has a similar spelling. Publication: Angell RC, Freund GE, Willett P. Automatic spelling correction using a trigram similarity measure. Information Processing and Management 1983; 19:255-261.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Hydrothermarchaeia" Chuvochina et al. 2019	not validly published	preferred name
    "Candidatus Hydrothermarchaeia" Chuvochina et al. 2023	not validly published	synonym
    [Hydrothermarchaeota, not assigned to class]	artificial parent node of taxa incertae sedis

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

Assigned by: Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪

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Record number: 8693