Name: Pseudoflavonifractor capillosus (Tissier 1908) Carlier et al. 2010

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus capillosus" Tissier 1908

Etymology: ca.pil.lo.sus. L. masc. adj. capillosus, full of hair, very hairy

Gender: masculine

Type strain: ATCC 29799; CCUG 15402; CCUG 15402 A; DSM 23940; VPI R2-29-1

Conduct genome-based taxonomy at

16S rRNA gene: AY136666 Analyse FASTA

Valid publication: Carlier JP, Bedora-Faure M, K'ouas G, Alauzet C, Mory F. Proposal to unify Clostridium orbiscindens Winter et al. 1991 and Eubacterium plautii (Seguin 1928) Hofstad and Aasjord 1982, with description of Flavonifractor plautii gen. nov., comb. nov., and reassignment of Bacteroides capillosus to Pseudoflavonifractor capillosus gen. nov., comb. nov. Int J Syst Evol Microbiol 2010; 60:585-590.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 3 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1253-1255.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacillus capillosus" Tissier 1908	homotypic synonym, not validly published, basonym of name in Approved Lists
    Bacteroides capillosus (Tissier 1908) Kelly 1957 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Pseudoflavonifractor Carlier et al. 2010. Publication: Carlier JP, Bedora-Faure M, K'ouas G, Alauzet C, Mory F. Proposal to unify Clostridium orbiscindens Winter et al. 1991 and Eubacterium plautii (Seguin 1928) Hofstad and Aasjord 1982, with description of Flavonifractor plautii gen. nov., comb. nov., and reassignment of Bacteroides capillosus to Pseudoflavonifractor capillosus gen. nov., comb. nov. Int J Syst Evol Microbiol 2010; 60:585-590.
  • 😷 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 = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 6 times in PubMed until 2024-03-27.
  • 🧍 In the paper by Carlier et al. 2010, the type strain CCUG 15402 A is erroneously cited as CCUG 15402A. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

Parent taxon: Pseudoflavonifractor Carlier et al. 2010

Assigned by: Carlier JP, Bedora-Faure M, K'ouas G, Alauzet C, Mory F. Proposal to unify Clostridium orbiscindens Winter et al. 1991 and Eubacterium plautii (Seguin 1928) Hofstad and Aasjord 1982, with description of Flavonifractor plautii gen. nov., comb. nov., and reassignment of Bacteroides capillosus to Pseudoflavonifractor capillosus gen. nov., comb. nov. Int J Syst Evol Microbiol 2010; 60:585-590.

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Record number: 788423