Name: Klebsiella ozaenae (Abel 1893) Bergey et al. 1925 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus ozaenae" Abel 1893

Etymology: o.zae’nae. L. fem. n. ozaena, a polypus in the nose, ozena; L. gen. fem. n. ozaenae, of ozena

Pronunciation, gender: o-ZA͡E-na͡e, feminine

Type strain: ATCC 11296; CCUG 15938; CIP 52.211; DSM 16358; JCM 1663; LMG 3113; NCTC 5050

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y17654 Analyse FASTA

Effective publication: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM. Bergey's Manual of Determinative Bacteriology, 2nd ed. The Williams & Wilkins Co, Baltimore, 1925.

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: Klebsiella pneumoniae subsp. ozaenae (Abel 1893) Ørskov 1984

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacillus ozaenae" Abel 1893	homotypic synonym, not validly published, basonym of name in Approved Lists
    Klebsiella pneumoniae subsp. ozaenae (Abel 1893) Ørskov 1984	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Klebsiella ozaenae 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 Klebsiella.
  • 😷 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 = 2, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 136 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: Klebsiella Trevisan 1885 (Approved Lists 1980)

Assigned by: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM. Bergey's Manual of Determinative Bacteriology, 2nd ed. The Williams & Wilkins Co, Baltimore, 1925.

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Record number: 784052