Species ***Clostridium* *thermopalmarium***

Name: Clostridium thermopalmarium Soh et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: ther.mo.pal.ma’ri.um. Gr. masc. adj. thermos, hot; N.L. masc. adj. palmarius, of or belonging to palms; N.L. neut. adj. thermopalmarium, referring to its thermophily and isolation from palm wine

Pronunciation (Latin), gender: klos-TRI-di-um t^her-mo-pal-MA-ri-um, neuter

Type strain: ATCC 51427; BVP; DSM 5974

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X72869 Analyse FASTA

Effective publication: Soh AL, Ralambotiana H, Ollivier B, Prensier G, Tine E, Garcia JL. Clostridium thermopalmarium sp. nov., a moderately thermophilic butyrate-producing bacterium isolated from palm wine in Senegal. Syst. Appl. Microbiol. 1991; 14:135-139.

IJSEM list: Anonymous. Validation list no. 37. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:331.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

Synonyms:

Name	Kind
Clostridium colicanis Greetham et al. 2003	heterotypic synonym, validly published under the ICNP

Emendations:
- Dif et al. 2026 Dif G, Bouras N, Djemouai N, Dif I, Zitouni A. Genome-based phylogenomic reassessment of Clostridium with proposals for species synonymization and new subspecies. Int J Syst Evol Microbiol 2026; 76:7048. 🇩🇿 Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 76, part 2 of the IJSEM. Int J Syst Evol Microbiol 2026; 76:7121.
  Notes:
  - 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

Notes:
- ⏰ According to Dif et al. (2026), this species is an earlier heterotypic synonym of Clostridium colicanis Greetham et al. 2003. Publication: Dif G, Bouras N, Djemouai N, Dif I, Zitouni A. Genome-based phylogenomic reassessment of Clostridium with proposals for species synonymization and new subspecies. Int J Syst Evol Microbiol 2026; 76:7048. 🇩🇿
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 76, part 2 of the IJSEM. Int J Syst Evol Microbiol 2026; 76:7121.
- 🧬 The phylogenomic assignment score of this taxon is -0.06475 (N = 28).
- 😷 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 10 times in PubMed until 2026-06-11.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Soh AL, Ralambotiana H, Ollivier B, Prensier G, Tine E, Garcia JL. Clostridium thermopalmarium sp. nov., a moderately thermophilic butyrate-producing bacterium isolated from palm wine in Senegal. Syst. Appl. Microbiol. 1991; 14:135-139.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.775011Link copied to clipboard

Record number: 775011

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Version	Date	JSON
1	2026-03-31
2	2026-06-11

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Species Clostridium thermopalmarium

Species ***Clostridium* *thermopalmarium***