Name: Cytophaga columnaris (Bernardet and Grimont 1989) Reichenbach 1989

Category: Species

Proposed as: comb. nov.

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

Etymology: co.lum.nar’is L. masc./fem. adj. columnaris, rising in the form of a pillar, referring to the shape of the aggregates formed by the bacteria on external lesions of infected fish

Gender: feminine

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: D12659 Analyse FASTA

Effective publication: Reichenbach H. Genus I. Cytophaga Winogradsky 1929, 577, emend. In: Staley JT, Bryant MP, Pfennig N, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 3., The Williams & Wilkins Co., Baltimore, 1989, p. 2015-2020.

IJSEM list: Anonymous. Validation list no. 31. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:495-497.

Nomenclatural status: validly published

Taxonomic status: synonym

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

Risk group: 1

• Synonyms:

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

• Notes:
  • Cytophaga columnaris is the correct name if this species is regarded as a separate species within a separate genus Cytophaga.
  • In Validation List no. 31, the page numbers of the paper by Reichenbach 1989 are erroneously cited as 2015-2020 (sic). Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938.
  • The full TRBA 466 classification is: risk group = 1, note = "t2".

Parent taxon: Cytophaga Winogradsky 1929 (Approved Lists 1980)

Assigned by: Reichenbach H. Genus I. Cytophaga Winogradsky 1929, 577, emend. In: Staley JT, Bryant MP, Pfennig N, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 3., The Williams & Wilkins Co., Baltimore, 1989, p. 2015-2020.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/cytophaga-columnarisCopy to clipboardLink copied to clipboard

Record number: 783721