Name: Fibrobacter succinogenes (Hungate 1950) Montgomery et al. 1988

Category: Species

Proposed as: comb. nov.

Basonym: Bacteroides succinogenes Hungate 1950 (Approved Lists 1980)

Etymology: suc.ci.no’ge.nes. N.L. neut. n. acidum succinum, succinic acid; Gr. suff. -genes, producing; from Gr. ind. v. gennaô, to produce; N.L. masc. part. adj. succinogenes, succinic acid producing

Pronunciation (Latin), gender: … suk-ki-NO-ge-nes, masculine

Type strain: ATCC 19169; S85

Conduct genome-based taxonomy at

16S rRNA gene: M62696 Analyse FASTA

Valid publication: Montgomery L, Flesher B, Stahl D. Transfer of Bacteroides succinogenes (Hungate) to Fibrobacter gen. nov. as Fibrobacter succinogenes comb. nov. and description of Fibrobacter intestinalis sp. nov. Int. J. Syst. Bacteriol. 1988; 38:430-435.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Bacteroides succinogenes Hungate 1950 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Ruminobacter succinogenes" (Hungate 1950) Prévot 1966	homotypic synonym, not validly published

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Fibrobacter Montgomery et al. 1988. Publication: Montgomery L, Flesher B, Stahl D. Transfer of Bacteroides succinogenes (Hungate) to Fibrobacter gen. nov. as Fibrobacter succinogenes comb. nov. and description of Fibrobacter intestinalis sp. nov. Int. J. Syst. Bacteriol. 1988; 38:430-435.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, 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 = 1. — 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 483 times in PubMed until 2025-06-04.
  • 🙆 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 genus.
  • 🧍 According to the CCUG curator, CCUG 27826 was received from ATCC and could not be revived. — Moore ERB. Personal communication, 2023-05-25.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Fibrobacter succinogenes subsp. elongata Montgomery et al. 1988	inaccurate spelling	misspelling
    Fibrobacter succinogenes subsp. elongatus corrig. Montgomery et al. 1988	validly published under the ICNP	correct name
    Fibrobacter succinogenes subsp. succinogenes (Hungate 1950) Montgomery et al. 1988	validly published under the ICNP	correct name

Parent taxon: Fibrobacter Montgomery et al. 1988

Assigned by: Montgomery L, Flesher B, Stahl D. Transfer of Bacteroides succinogenes (Hungate) to Fibrobacter gen. nov. as Fibrobacter succinogenes comb. nov. and description of Fibrobacter intestinalis sp. nov. Int. J. Syst. Bacteriol. 1988; 38:430-435.

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Record number: 783834