Species Fusobacterium alocis

Name: Fusobacterium alocis Cato et al. 1985

Category, proposed as: species, sp. nov.

Etymology: a’lo.cis. Gr. fem. n. alox, a furrow; N.L. gen. fem. n. alocis, of a furrow, referring to its isolation from a crevice of the gums

Pronunciation (Latin), gender: fu-so-bak-TE-ri-um A-lo-kis, neuter

Type strain: ATCC 35896; CCUG 47790; VPI D40B-5

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ006962 Analyse FASTA

Valid publication: Cato EP, Moore LVH, Moore WEC. Fusobacterium alocis sp. nov. and Fusobacterium sulci sp. nov. from the human gingival sulcus. Int. J. Syst. Bacteriol. 1985; 35:475-477. 🇺🇸

Nomenclatural status: validly published under the ICNP

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

Correct name: Filifactor alocis (Cato et al. 1985) Jalava and Eerola 1999

Risk group: 2

• Synonyms:

  • Name	Kind
    Filifactor alocis (Cato et al. 1985) Jalava and Eerola 1999	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Fusobacterium alocis 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 Fusobacterium.
  • 😷 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 = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 5 times in PubMed until 2026-06-11.
  • 🙅 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: Fusobacterium Knorr 1922 (Approved Lists 1980)

Assigned by: Cato EP, Moore LVH, Moore WEC. Fusobacterium alocis sp. nov. and Fusobacterium sulci sp. nov. from the human gingival sulcus. Int. J. Syst. Bacteriol. 1985; 35:475-477. 🇺🇸

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Record number: 783876