Name: Flexibacter psychrophilus (ex Borg 1960) Bernardet and Grimont 1989

Category: Species

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

Etymology: psy.chro’phi.lus. Gr. masc. adj. psychros, cold; N.L. masc. adj. suff. -philus, friend, loving; from Gr. masc. adj. philos, on; N.L. masc. adj. psychrophilus, cold-loving

Gender: masculine

Type strain: DSM 3660; NCIMB 1947; NCMB 1947

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078060 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 psychrophilum (Bernardet and Grimont 1989 ex Borg 1960) Bernardet et al. 1996

Risk group: 2

• Synonyms:

  • Name	Kind
    Flavobacterium psychrophilum (Bernardet and Grimont 1989 ex Borg 1960) Bernardet et al. 1996	homotypic synonym, validly published under the ICNP
    Cytophaga psychrophila (Bernardet and Grimont 1989 ex Borg 1960) Reichenbach 1989	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Flexibacter psychrophilus 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 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 = 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 0 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: 776297