Name: Fusobacterium nucleatum subsp. vincentii (ex Knorr 1922) Dzink et al. 1990

Category: Subspecies

Proposed as: subsp. nov., nom. rev.

Etymology: vin.cen’ti.i. N.L. gen. masc. n. vincentii, of Vincent, referring to H. Vincent who studied the organism originally isolated from Vincent’s angina and necrotizing ulcerative gingivitis

Gender: neuter

Type strain: ATCC 49256; CCUG 37843; CIP 104988; DSM 19507; JCM 11023

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB971819 Analyse FASTA

Valid publication: Dzink JL, Sheenan MT, Socransky SS. Proposal of three subspecies of Fusobacterium nucleatum Knorr 1922: Fusobacterium nucleatum subsp. nucleatum subsp. nov., comb. nov.; Fusobacterium nucleatum subsp. polymorphum subsp. nov., nom. rev., comb. nov.; and Fusobacterium nucleatum subsp. vincentii subsp. nov., nom. rev., comb. nov. Int J Syst Bacteriol 1990; 40:74-78.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Fusobacterium vincentii (Dzink et al. 1990 ex Knorr 1922) Kook et al. 2022

Risk group: 2

• Synonyms:

  • Name	Kind
    Fusobacterium vincentii (Dzink et al. 1990 ex Knorr 1922) Kook et al. 2022	homotypic synonym, validly published under the ICNP, distinct rank
    Fusobacterium nucleatum subsp. fusiforme (ex Veillon and Zuber 1898) Gharbia and Shah 1992	heterotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Fusobacterium nucleatum subsp. vincentii is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Fusobacterium nucleatum within a separate genus Fusobacterium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - 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. — 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.

Parent taxon: Fusobacterium nucleatum Knorr 1922 (Approved Lists 1980)

Assigned by: Dzink JL, Sheenan MT, Socransky SS. Proposal of three subspecies of Fusobacterium nucleatum Knorr 1922: Fusobacterium nucleatum subsp. nucleatum subsp. nov., comb. nov.; Fusobacterium nucleatum subsp. polymorphum subsp. nov., nom. rev., comb. nov.; and Fusobacterium nucleatum subsp. vincentii subsp. nov., nom. rev., comb. nov. Int J Syst Bacteriol 1990; 40:74-78.

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Record number: 783883