Name: Peptostreptococcus octavius Murdoch et al. 1997

Category: Species

Proposed as: sp. nov.

Etymology: N.L. masc. n. octavius, eight, referring to the fact that the organism was previously assigned to Hare group VIII. (sic)

Gender: masculine

Type strain: DSM 11663; NCTC 9810

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y07841 Analyse FASTA

Valid publication: Murdoch DA, Collins MD, Willems A, Hardie JM, Young KA, Magee JT. Description of three new species of the genus Peptostreptococcus from human clinical specimens: Peptostreptococcus harei sp. nov., Peptostreptococcus ivorii sp. nov., and Peptostreptococcus octavius sp. nov. Int. J. Syst. Bacteriol. 1997; 47:781-787.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 3 of the IJSB. Int J Syst Bacteriol 1997; 47:1275-1276.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Anaerococcus octavius (Murdoch et al. 1997) Ezaki et al. 2001

Risk group: 1

• Synonyms:

  • Name	Kind
    Anaerococcus octavius (Murdoch et al. 1997) Ezaki et al. 2001	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Peptostreptococcus octavius 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 Peptostreptococcus.
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+".
  • 🎓 Name mentioned 0 times in PubMed until 2024-03-28.
  • 🧍 The correct Latin adjective is octavus, not octavius as cited by Murdoch et al. 1997. 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: Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Murdoch DA, Collins MD, Willems A, Hardie JM, Young KA, Magee JT. Description of three new species of the genus Peptostreptococcus from human clinical specimens: Peptostreptococcus harei sp. nov., Peptostreptococcus ivorii sp. nov., and Peptostreptococcus octavius sp. nov. Int. J. Syst. Bacteriol. 1997; 47:781-787.

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Record number: 779390