Name: Desulfotomaculum orientis Campbell and Postgate 1965 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: o.ri.en’tis. L. masc. n. oriens (gen. orientis), the East, the Orient; L. gen. masc. n. orientis, of the orient

Pronunciation, gender: o-ri-EN-tis, neuter

Type strain: ATCC 19365; DSM 765; NCIB 8382; NCIMB 8382; Singapore I; VKM B-1628

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y11570 Analyse FASTA

Effective publication: Campbell LL, Postgate JR. Classification of the spore-forming sulfate-reducing bacteria. Bacteriol Rev 1965; 29:359-363.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Correct name: Desulfosporosinus orientis (Campbell and Postgate 1965) Stackebrandt et al. 1997

Risk group: 1

• Synonyms:

  • Name	Kind
    Desulfosporosinus orientis (Campbell and Postgate 1965) Stackebrandt et al. 1997	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Desulfotomaculum orientis 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 12 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 Bergey's Manual of Determinative Bacteriology eight edition and in the Bergey's Manual of Systematic Bacteriology first edition, this taxon is cited as Desulfotomaculum orientis (Adams and Postgate 1959) Campbell and Postgate 1965. Publication: Campbell LL, Singleton R. Genus IV. Desulfotomaculum Campbell and Postgate 1965, 361AL. In: Sneath PHA, Mair NS, Sharpe ME, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 2, The Williams & Wilkins Co., Baltimore, 1986, p. 1200-1202.

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

Assigned by: Campbell LL, Postgate JR. Classification of the spore-forming sulfate-reducing bacteria. Bacteriol Rev 1965; 29:359-363.

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Record number: 775638