Name: Citrobacter diversus corrig. (Burkey 1928) Werkman and Gillen 1932 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Aerobacter diversum" Burkey 1928

Etymology: di.ver’sus. L. masc. part. adj. diversus, different, distinct

Pronunciation (Latin), gender: … di-WER-sus, masculine

Type strain: ATCC 27156; CDC 3613-63; JCM 1659; LMG 5741

Conduct genome-based taxonomy at

16S rRNA gene: AF025372 Analyse FASTA

Effective publication: Werkman CH, Gillen GF. Bacteria Producing Trimethylene Glycol. J Bacteriol 1932; 23:167-182.

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, rejected name

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Citrobacter koseri Frederiksen 1970 (Approved Lists 1980)

Risk group: 2

• Synonyms:

  • Name	Kind
    "Aerobacter diversum" Burkey 1928	homotypic synonym, not validly published, basonym of name in Approved Lists
    Levinea malonatica Young et al. 1971 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Citrobacter koseri Frederiksen 1970 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Citrobacter diversum (Burkey 1928) Werkman and Gillen 1932 (Approved Lists 1980)	other spelling of name, inaccurate spelling and rejected

• Notes:
  • ⏲ According to Frederiksen (1990), this species is a later heterotypic synonym of Citrobacter koseri Frederiksen 1970 (Approved Lists 1980). Publication: Frederiksen W. Correct names of the species Citrobacter koseri, Levinea malonatica, and Citrobacter diversus. Request for an opinion. Int. J. Syst. Bacteriol. 1990; 40:107-108.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - 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. — 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 240 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.
  • 🧍 Rejected name (Opinion 67, IJSB 43:392). Publication: Judicial Commission. Judicial Opinion No. 67. Int J Syst Bacteriol 1993; 43:392.

Parent taxon: Citrobacter Werkman and Gillen 1932 (Approved Lists 1980)

Assigned by: Werkman CH, Gillen GF. Bacteria Producing Trimethylene Glycol. J Bacteriol 1932; 23:167-182.

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Record number: 774745