Name: Phocaeicola vulgatus (Eggerth and Gagnon 1933) García-López et al. 2020

Category: Species

Proposed as: comb. nov.

Basonym: Bacteroides vulgatus Eggerth and Gagnon 1933 (Approved Lists 1980)

Etymology: vul.ga’tus. L. masc. part. adj. vulgatus, common

Pronunciation, gender: wul-GA-tus, masculine

Type strain: 8482; ATCC 8482; BCRC 12903; CCRC 12903; CCUG 4940; CIP 103714; DSM 1447; IFO 14291; JCM 5826; LMG 17767; LMG 7956; NBRC 14291; NCTC 11154

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU136687 Analyse FASTA

Effective publication: Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083.

IJSEM list: Oren A, Garrity GM. Validation list no. 193. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:2960-2966.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Bacteroides vulgatus Eggerth and Gagnon 1933 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.03510 (N = 1).
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 55 times in PubMed until 2025-06-04.
  • 🫡 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 species itself. This name is not taxonomically suspended any more in favour of Bacteroides vulgatus Eggerth and Gagnon 1933 (Approved Lists 1980). Publication: Eggerth AH, Gagnon BH. The Bacteroides of Human Feces. J Bacteriol 1933; 25:389-413. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Phocaeicola Al Masalma et al. 2009

Assigned by: Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083.

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Record number: 7841