Name: Thermoactinomyces putidus Lacey and Cross 1989

Category: Species

Proposed as: sp. nov.

Etymology: pu’ti.dus. L. masc. adj. putidus, stinking, fetid

Pronunciation, gender: … PU-ti-dus, masculine

Type strain: ATCC 49853; DSM 44608; JCM 8091; KCTC 3666; NCIB 12324; NCIMB 12324

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF138736 Analyse FASTA

Effective publication: Lacey J, Cross T. Genus Thermoactinomyces Tsiklinsky 1899, 501AL. In: Williams ST, Sharpe ME, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 4., The Williams & Wilkins Co., Baltimore, 1989, p. 2574-2585.

IJSEM list: Anonymous. Validation list no. 31. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:495-497.

Nomenclatural status: validly published under the ICNP

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

Correct name: Laceyella putida (Lacey and Cross 1989) Yoon et al. 2005

Risk group: 1

• Synonyms:

  • Name	Kind
    Laceyella putida (Lacey and Cross 1989) Yoon et al. 2005	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Thermoactinomyces putidus 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 Thermoactinomyces.
  • 😷 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 2 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 the genus.

Parent taxon: Thermoactinomyces Tsiklinsky 1899 (Approved Lists 1980)

Assigned by: Lacey J, Cross T. Genus Thermoactinomyces Tsiklinsky 1899, 501AL. In: Williams ST, Sharpe ME, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 4., The Williams & Wilkins Co., Baltimore, 1989, p. 2574-2585.

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Record number: 782491