Name: Morganella morganii subsp. morganii (Winslow et al. 1919) Jensen et al. 1992

Category: Subspecies

Proposed as: subsp. nov. (rule 40d)

Basonym: "Bacillus morgani" Winslow et al. 1919

Etymology: mor.ga’ni.i. N.L. gen. masc. n. morganii, of Morgan, named after H. de R. Morgan, a British bacteriologist who first studied the organism

Pronunciation, gender: mor-GA-ni-i, feminine

Type strain: ATCC 25830; ATCC 8076-H; CCUG 6328; CIP 103763; CIP A231; DSM 30164; IFO 3848; JCM 1672; LMG 7874; NBIMCC 1392; NBRC 3848; NCCB 73065; NCTC 235

See detailed strain information at

Valid publication: Jensen KT, Frederiksen W, Hickman-Brenner FW, Steigerwalt AG, Riddle CF, Brenner DJ. Recognition of Morganella subspecies, with proposal of Morganella morganii subsp. morganii subsp. nov. and Morganella morganii subsp. sibonii subsp. nov. Int J Syst Bacteriol 1992; 42:613-620.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 42, part 4 of the IJSB. Int J Syst Bacteriol 1993; 43:189.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 📠 This subspecies was automatically created by the valid publication of Morganella morganii subsp. sibonii Jensen et al. 1992 according to rule 40d. Publication: Jensen KT, Frederiksen W, Hickman-Brenner FW, Steigerwalt AG, Riddle CF, Brenner DJ. Recognition of Morganella subspecies, with proposal of Morganella morganii subsp. morganii subsp. nov. and Morganella morganii subsp. sibonii subsp. nov. Int J Syst Bacteriol 1992; 42:613-620.
  • 😷 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 = "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, note = "ht". — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — The risk group for United Kingdom has been imported on 2024-01-31. 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 The original authorship, (Winslow et al. 1919) Fulton 1943, was corrected according to the new Rule 40d. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780.

Parent taxon: Morganella morganii (Winslow et al. 1919) Fulton 1943 (Approved Lists 1980)

Assigned by: Jensen KT, Frederiksen W, Hickman-Brenner FW, Steigerwalt AG, Riddle CF, Brenner DJ. Recognition of Morganella subspecies, with proposal of Morganella morganii subsp. morganii subsp. nov. and Morganella morganii subsp. sibonii subsp. nov. Int J Syst Bacteriol 1992; 42:613-620.

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Record number: 778331