Name: "Candidatus Hydrothermus" Chuvochina et al. 2019

Category: Genus

Proposed as: Candidatus

Etymology: Hy.dro.ther’mus. Gr. neut. n. hydôr, water; Gr. masc. adj. thermos, hot; N.L. masc. n. Hydrothermus, an organism living in hot water

Gender, pronunciation (Latin): masculine (stem: Hydrotherm-), hy-dro-T^HER-mus

Type species: "Candidatus Hydrothermus pacificus" Chuvochina et al. 2019

Effective publication: Chuvochina M, Rinke C, Parks DH, Rappe MS, Tyson GW, Yilmaz P, Whitman WB, Hugenholtz P. The importance of designating type material for uncultured taxa. Syst Appl Microbiol 2019; 42:15-21. 🇦🇺

IJSEM list: Oren A, Garrity GM. Candidatus list no. 2. Lists of names of prokaryotic Candidatus taxa. Int J Syst Evol Microbiol 2021; 71:4671.

Nomenclatural status: not validly published

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

Taxonomic status: pro-correct name

• Synonyms:

  • Name	Kind
    "Candidatus Hydrothermus" Chuvochina et al. 2023	homotypic synonym, not pro-validly published

• Notes:
  • 🥇 Nomenclatural type of the family "Candidatus Hydrothermaceae" Chuvochina et al. 2019. Publication: Chuvochina M, Rinke C, Parks DH, Rappe MS, Tyson GW, Yilmaz P, Whitman WB, Hugenholtz P. The importance of designating type material for uncultured taxa. Syst Appl Microbiol 2019; 42:15-21. 🇦🇺
  • 🥇 Nomenclatural type of the order "Candidatus Hydrothermales" Chuvochina et al. 2019. Publication: Chuvochina M, Rinke C, Parks DH, Rappe MS, Tyson GW, Yilmaz P, Whitman WB, Hugenholtz P. The importance of designating type material for uncultured taxa. Syst Appl Microbiol 2019; 42:15-21. 🇦🇺
  • 🥇 Nomenclatural type of the phylum "Candidatus Hydrothermae" Jungbluth et al. 2017. 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. 🇺🇸
  • 🧕 Chuvochina et al. (2019) assigned this genus to the family "Candidatus Hydrothermaceae" Chuvochina et al. 2019. Publication: Chuvochina M, Rinke C, Parks DH, Rappe MS, Tyson GW, Yilmaz P, Whitman WB, Hugenholtz P. The importance of designating type material for uncultured taxa. Syst Appl Microbiol 2019; 42:15-21. 🇦🇺
  • 🧕 Chuvochina et al. (2019) assigned this genus to the order "Candidatus Hydrothermales" Chuvochina et al. 2019. Publication: Chuvochina M, Rinke C, Parks DH, Rappe MS, Tyson GW, Yilmaz P, Whitman WB, Hugenholtz P. The importance of designating type material for uncultured taxa. Syst Appl Microbiol 2019; 42:15-21. 🇦🇺
  • 🧕 Chuvochina et al. (2023) assigned this genus to the family "Candidatus Hydrothermaceae" Chuvochina et al. 2019. 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 this genus to the order "Candidatus Hydrothermales" Chuvochina et al. 2019. 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. 🇦🇺
  • 🚋 The type species of this genus has alternatively been placed in the genus "Candidatus Hydrothermus" Chuvochina et al. 2023. 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. 🇦🇺

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: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Hydrothermus pacificus" Chuvochina et al. 2019	not validly published	pro-correct name

Parent taxon: Caldifarciminaceae Mori et al. 2026

Assigned by: Mori K, Hidaka K, Tamazawa S, Hosoyama A, Tamaki H, Kakegawa T, Hanada S. Caldifarcimen microaerophilum gen. nov., sp. nov., a facultatively anaerobic, thermophilic bacterium of a novel bacterial phylum, Caldifarciminota phyl. nov., formerly called candidate phylum WOR-3, description of Caldifarciminaceae fam. nov., Caldifarciminales ord. nov. and Caldifarciminia classis nov. Int J Syst Evol Microbiol 2026; 76:7229. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.11468Copy to clipboardLink copied to clipboard

Record number: 11468

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31