Name: Desulfotomaculum hydrothermale Haouari et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: hy.dro.ther.ma’le. Gr. neut. n. hydôr, water; Gr. masc. adj. thermos, heat; N.L. neut. adj. hydrothermale, from a hydrothermal area

Pronunciation, gender: hy-dro-t^her-MA-le, neuter

Type strain: DSM 18033; JCM 13992; Lam5

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF081293 Analyse FASTA

Valid publication: Haouari O, Fardeau ML, Cayol JL, Casiot C, Elbaz-Poulichet F, Hamdi M, Joseph M, Ollivier B. Desulfotomaculum hydrothermale sp. nov., a thermophilic sulfate-reducing bacterium isolated from a terrestrial Tunisian hot spring. Int J Syst Evol Microbiol 2008; 58:2529-2535.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 11 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:205-206.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Desulforamulus hydrothermalis (Haouari et al. 2008) Watanabe et al. 2021

Risk group: 1

• Synonyms:

  • Name	Kind
    Desulforamulus hydrothermalis (Haouari et al. 2008) Watanabe et al. 2021	homotypic synonym, validly published under the ICNP

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • ❗ Desulfotomaculum hydrothermale is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Desulfotomaculum.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 5 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 In the etymology provided by Haouari et al. 2008, the Greek noun hydros is erroneously cited as hydro. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

Parent taxon: Desulfotomaculum Campbell and Postgate 1965 (Approved Lists 1980)

Assigned by: Haouari O, Fardeau ML, Cayol JL, Casiot C, Elbaz-Poulichet F, Hamdi M, Joseph M, Ollivier B. Desulfotomaculum hydrothermale sp. nov., a thermophilic sulfate-reducing bacterium isolated from a terrestrial Tunisian hot spring. Int J Syst Evol Microbiol 2008; 58:2529-2535.

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Record number: 787593