Name: Flexibacter filiformis (ex Solntseva 1940) Reichenbach 1989

Category: Species

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

Etymology: fi.li.for’mis. L. neut. n. filum, a thread; L. masc./fem. adj. suff. -formis, -like, in the shape of; from L. fem. n. forma, figure, shape, appearance; N.L. masc./fem. adj. filiformis, thread-shaped

Gender: masculine

Type strain: ATCC 29495; CCUG 12809; CIP 106401; DSM 527; Fx e1 Reichenbach; HAMBI 1966; IFO 15056; JCM 21160; NBRC 15056

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB078049 Analyse FASTA

Effective publication: Reichenbach H. Genus Flexibacter Soriano 1945, 92, AL 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. 2061-2071.

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 under the ICNP

Taxonomic status: synonym

Correct name: Chitinophaga filiformis (Reichenbach 1989 ex Solntseva 1940) Kämpfer et al. 2006

Risk group: 1

• Synonyms:

  • Name	Kind
    Chitinophaga filiformis (Reichenbach 1989 ex Solntseva 1940) Kämpfer et al. 2006	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Flexibacter filiformis 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 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. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 3 times in PubMed until 2024-03-28.

Parent taxon: Flexibacter Soriano 1945 (Approved Lists 1980)

Assigned by: Reichenbach H. Genus Flexibacter Soriano 1945, 92, AL 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. 2061-2071.

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Record number: 785451