Name: Fusobacterium necrophorum (Flügge 1886) Moore and Holdeman 1969 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus necrophorus" Flügge 1886

Etymology: ne.cro’pho.rum. Gr. masc. n. nekros, the dead; Gr. ind. v. phoreô, to bear; N.L. neut. adj. necrophorum, dead producing, here necrosis producing

Pronunciation (Latin), gender: fu-so-bak-TE-ri-um ne-KRO-p^ho-rum, neuter

Type strain: ATCC 25286; CCUG 9994; CIP 104559; DSM 19788; DSM 21784; JCM 3718; NCTC 13726; VPI 2891

Conduct genome-based taxonomy at

16S rRNA gene: AB849121 Analyse FASTA

Effective publication: Moore WEC, Holdeman LV. Anaerobic gram-negative non-sporeforming rods. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 1st revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1969, p. 1-107.

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 necrophorus" Flügge 1886	homotypic synonym, not validly published, basonym of name in Approved Lists
    Fusobacterium necrophorum subsp. funduliforme (ex Hallé 1898) Shinjo et al. 1991	heterotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. List of changes in taxonomic opinion no. 40. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2024; 74:6482.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "default: 2 human and animal pathogen - biological class of risk animal: 2; biovar B: 2 human pathogen; biovar A: 2 human pathogen; biovar C: 2 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 Sweden has been imported on 2024-02-05. 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 1303 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: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Fusobacterium necrophorum subsp. funduliforme (ex Hallé 1898) Shinjo et al. 1991	validly published under the ICNP	synonym
    Fusobacterium necrophorum subsp. necrophorum (Flügge 1886) Shinjo et al. 1991 (Approved Lists 1980)	validly published under the ICNP	synonym of its species

Parent taxon: Fusobacterium Knorr 1922 (Approved Lists 1980)

Assigned by: Moore WEC, Holdeman LV. Anaerobic gram-negative non-sporeforming rods. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 1st revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1969, p. 1-107.

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Record number: 783880