Name: Peptococcus magnus (Prévot 1933) Holdeman and Moore 1972 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Diplococcus magnus" Prévot 1933

Etymology: mag’nus. L. masc. adj. magnus, large

Gender: masculine

Type strain: ATCC 15794; CCUG 17636; DSM 20470; GIFU 7629; NCTC 11804

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF542227 Analyse FASTA

Effective publication: Holdeman LV, Moore WEC. Anaerobe Laboratory Manual. Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1972.

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

Correct name: Finegoldia magna (Prévot 1933) Murdoch and Shah 2000

Risk group: 2

• Synonyms:

  • Name	Kind
    Peptostreptococcus magnus (Prévot 1933) Ezaki et al. 1983	homotypic synonym, validly published under the ICNP
    Finegoldia magna (Prévot 1933) Murdoch and Shah 2000	homotypic synonym, validly published under the ICNP
    "Diplococcus magnus" Prévot 1933	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • ❗ Peptococcus magnus 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 Peptococcus.
  • 😷 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 42 times in PubMed until 2024-03-28.

Parent taxon: Peptococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Holdeman LV, Moore WEC. Anaerobe Laboratory Manual. Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1972.

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Record number: 779368