Species Eubacterium contortum

Name: Eubacterium contortum (Prévot 1947) Holdeman et al. 1971 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Catenabacterium contortum" Prévot 1947

Etymology: con.tor’tum. L. neut. part. adj. contortum, twisted

Pronunciation (Latin), gender: e͡u-bak-TE-ri-um kon-TOR-tum, neuter

Type strain: 113 VI; ATCC 25540; CCUG 52236; DSM 3982; JCM 6483

Conduct genome-based taxonomy at

16S rRNA gene: LC071803 Analyse FASTA

Effective publication: Holdeman LV, Cato EP, Moore WEC. Eubacterium contortum (Prévot) comb. nov.: emendation of description and designation of the type strain. International Journal of Systematic Bacteriology 1971; 21:304-306.

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: Faecalicatena contorta (Prévot 1947) Sakamoto et al. 2017

Risk group: 2

Synonyms:

Name	Kind
Faecalicatena contorta (Prévot 1947) Sakamoto et al. 2017	homotypic synonym, validly published under the ICNP
"Catenabacterium contortum" Prévot 1947	homotypic synonym, not validly published, basonym of name in Approved Lists

Notes:
- ❗ Eubacterium contortum 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 Eubacterium.
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
- 🧍 According to Bartlett et al. (2022), no evidence of human infection was found for this species. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Eubacterium Prévot 1938 (Approved Lists 1980)

Assigned by: Holdeman LV, Cato EP, Moore WEC. Eubacterium contortum (Prévot) comb. nov.: emendation of description and designation of the type strain. International Journal of Systematic Bacteriology 1971; 21:304-306.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.776075Link copied to clipboard

Record number: 776075

This LPSN page was printed on 2026-08-07 11:03:39

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Species Eubacterium contortum