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Species Bacteroides capillosus
Name: Bacteroides capillosus (Tissier 1908) Kelly 1957 (Approved Lists 1980)
Basonym: "Bacillus capillosus" Tissier 1908
Etymology: ca.pil.lo’sus. L. masc. adj. capillosus, full of hair, very hairy
Pronunciation, gender: ka-pil-LO-sus, 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
Effective publication: Kelly CD. Genus I. Bacteroides Castellani and Chalmers 1919. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, seventh edition, The Williams & Wilkins Co, Baltimore, 1957, p. 424-436.
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: Pseudoflavonifractor capillosus (Tissier 1908) Carlier et al. 2010
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Synonyms:
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Name Kind Pseudoflavonifractor capillosus (Tissier 1908) Carlier et al. 2010 homotypic synonym, validly published under the ICNP "Bacillus capillosus" Tissier 1908 homotypic synonym, not validly published, basonym of name in Approved Lists
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Notes:
- ❗ Bacteroides capillosus 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 Bacteroides.
- 😷 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 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. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 17 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 species itself.
Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by: Kelly CD. Genus I. Bacteroides Castellani and Chalmers 1919. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, seventh edition, The Williams & Wilkins Co, Baltimore, 1957, p. 424-436.
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Record number: 783440
This LPSN page was printed on 2025-12-17 10:46:41