Name: Desulfotomaculum geothermicum Daumas et al. 1990

Category: Species

Proposed as: sp. nov.

Etymology: ge.o.ther’mi.cum. Gr. fem. n. gê, earth; Gr. fem. adj. thermê, heat; L. neut. adj. suff. -icum, suffix used with the sense of pertaining to; N.L. neut. adj. geothermicum, geothermal

Pronunciation, gender: ge-o-T^HER-mi-kum, neuter

Type strain: BSD; DSM 3669; NBRC 112753

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y11567 Analyse FASTA

Effective publication: Daumas S, Cord-Ruwisch R, Garcia JL. Desulfotomaculum geothermicum sp. nov., a thermophilic, fatty acid-degrading, sulfate-reducing bacterium isolated with H2 from geothermal ground water. Antonie Van Leeuwenhoek 1988; 54:165-178.

IJSEM list: Anonymous. Validation list no. 32. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1990; 40:105-106.

Nomenclatural status: validly published under the ICNP

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

Correct name: Desulfoscipio geothermicus (Daumas et al. 1990) Watanabe et al. 2021

Risk group: 1

• Synonyms:

  • Name	Kind
    Desulfoscipio geothermicus (Daumas et al. 1990) Watanabe et al. 2021	homotypic synonym, validly published under the ICNP
    Desulfallas geothermicus (Daumas et al. 1990) Watanabe et al. 2018	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Desulfotomaculum geothermicum 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 Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 6 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.
  • 🧍 The type strain ATCC 49053 is cited in the Validation List no. 32. However, it is not in ATCC catalog. Publication: Anonymous. Validation list no. 32. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1990; 40:105-106.

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

Assigned by: Daumas S, Cord-Ruwisch R, Garcia JL. Desulfotomaculum geothermicum sp. nov., a thermophilic, fatty acid-degrading, sulfate-reducing bacterium isolated with H2 from geothermal ground water. Antonie Van Leeuwenhoek 1988; 54:165-178.

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Record number: 775631