Species Moraxella lacunata

Name: Moraxella lacunata (Eyre 1900) Lwoff 1939 (Approved Lists 1980)

Category, proposed as: species, comb. nov.

Basonym: "Bacillus lacunatus" Eyre 1900

Etymology: la.cu.na’ta. L. fem. n. lacuna, pit, hole; L. fem. adj. lacunata, pitted

Pronunciation (Latin), gender: mo-ra-XEL-la la-ku-NA-ta, feminine

Type strain: ATCC 11748; ATCC 17967; CCUG 4441; CIP A182; DSM 18052; JCM 20914; LMG 5301; Morax 260; NBRC 102154; NCTC 10748; NCTC 11011

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D64049 Analyse FASTA

Effective publication: Lwoff A. Révision et démembrement des Hemophilae, le genre Moraxella nov. gen. Annales de l'Institut Pasteur (Paris) 1939; 62:168-176.

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: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacillus lacunatus" Eyre 1900	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 🥇 Nomenclatural type of the genus Moraxella Lwoff 1939 (Approved Lists 1980). Publication: Lwoff A. Révision et démembrement des Hemophilae, le genre Moraxella nov. gen. Annales de l'Institut Pasteur (Paris) 1939; 62:168-176.
  • 😷 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 = "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 2026-08-13. 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 58 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Moraxella lacunata subsp. lacunata" (Eyre 1900) Juni and Bøvre 2005	not validly published	preferred name
    "Moraxella lacunata subsp. liquefaciens" Juni and Bøvre 2005	not validly published	preferred name

Parent taxon: Moraxella Lwoff 1939 (Approved Lists 1980)

Assigned by: Lwoff A. Révision et démembrement des Hemophilae, le genre Moraxella nov. gen. Annales de l'Institut Pasteur (Paris) 1939; 62:168-176.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.778312Copy to clipboardLink copied to clipboard

Record number: 778312