Name: Flexibacter columnaris (ex Davis 1922) Bernardet and Grimont 1989

Category: Species

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

Etymology: co.lum.nar’is. L. masc./fem. adj. columnaris, rising as a pillar

Gender: masculine

Type strain: 1-S-2cl (Anacker 1956); ATCC 23463; DSM 18644; NCIMB 2248; NCMB 2248

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078047 Analyse FASTA

Valid publication: Bernardet JF, Grimont PAD. Deoxyribonucleic acid relatedness and phenotypic characterization of Flexibacter columnaris sp. nov., nom. rev., Flexibacter psychrophilus sp. nov., nom. rev., and Flexibacter maritimus Wakabayashi, Hikida, and Masumura 1986. Int. J. Syst. Bacteriol. 1989; 39:346-354.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Flavobacterium columnare (Bernardet and Grimont 1989 ex Davis 1922) Bernardet et al. 1996

Risk group: 2

• Synonyms:

  • Name	Kind
    Flavobacterium columnare (Bernardet and Grimont 1989 ex Davis 1922) Bernardet et al. 1996	homotypic synonym, validly published under the ICNP
    Cytophaga columnaris (Bernardet and Grimont 1989 ex Davis 1922) Reichenbach 1989	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Flexibacter columnaris 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 Flexibacter.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "t2".
  • 🎓 Name mentioned 13 times in PubMed until 2024-03-27.

Parent taxon: Flexibacter Soriano 1945 (Approved Lists 1980)

Assigned by: Bernardet JF, Grimont PAD. Deoxyribonucleic acid relatedness and phenotypic characterization of Flexibacter columnaris sp. nov., nom. rev., Flexibacter psychrophilus sp. nov., nom. rev., and Flexibacter maritimus Wakabayashi, Hikida, and Masumura 1986. Int. J. Syst. Bacteriol. 1989; 39:346-354.

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Record number: 783866