Name: Campylobacter fetus subsp. fetus (Smith and Taylor 1919) Véron and Chatelain 1973 (Approved Lists 1980)

Category: Subspecies

Proposed as: subsp. nov. (rule 40d)

Basonym: "Vibrio fetus" Smith and Taylor 1919

Etymology: fe’tus. L. masc. n. fetus (gen. fetus), young, offspring, fruit; L. gen. masc. n. fetus, of a fetus

Pronunciation, gender: FE-tus, masculine

Type strain: ATCC 27374; CCUG 6823; CCUG 6823 A; CIP 53.96; DSM 5361; JCM 2527; LMG 6442; NBIMCC 8738; NCTC 10842

See detailed strain information at

Effective publication: Véron M, Chatelain R. Taxonomic study of the genus Campylobacter Sebald and Véron and designation of the neotype strain for the type species, Campylobacter fetus (Smith and Taylor) Sebald and Véron. International Journal of Systematic Bacteriology 1973; 23:122-134.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 📠 This subspecies was automatically created by the valid publication of Campylobacter fetus subsp. venerealis (Florent 1959) Véron and Chatelain 1973 (Approved Lists 1980) according to rule 40d. Publication: Véron M, Chatelain R. Taxonomic study of the genus Campylobacter Sebald and Véron and designation of the neotype strain for the type species, Campylobacter fetus (Smith and Taylor) Sebald and Véron. International Journal of Systematic Bacteriology 1973; 23:122-134.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and 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 = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "Z". — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 In the Approved Lists of Bacterial Names, Campylobacter fetus subsp. fetus is erroneously cited as Campylobacter fetus subsp. fetus (Smith and Taylor 1919) Véron and Chatelain 1973. (Due to a subsequent change of Rule 40d, this indication of authorship is now correct.) Publication: Euzeby JP, Tindall BJ. Necessary corrections to the Approved Lists of Bacterial Names according to Rule 40d (formerly Rule 46). Request for an opinion. Int J Syst Evol Microbiol 2002; 52:2321-2322. 🇫🇷
  • 🧍 Members of the Subcommittee on the taxonomy of Campylobacter and related bacteria had noted that the specific and subspecific epithets fetus were erroneously formed. This required correction of the spelling of the epithets or, alternatively, correction of the etymology. The subcommittee members reached a consensus to correct the etymology of the specific and subspecific epithets fetus. The correct etymology is: the following: fe'tus. L. masc. n. fetus, fetus, fruit; L. gen. masc. n. fetus, of a fetus. Publication: Vandamme P, On SL. Recommendations of the subcommittee on the taxonomy of Campylobacter and related bacteria. Int J Syst Evol Microbiol 2001; 51:719-721. 🇧🇪

Parent taxon: Campylobacter fetus (Smith and Taylor 1919) Sebald and Véron 1963 (Approved Lists 1980)

Assigned by: Véron M, Chatelain R. Taxonomic study of the genus Campylobacter Sebald and Véron and designation of the neotype strain for the type species, Campylobacter fetus (Smith and Taylor) Sebald and Véron. International Journal of Systematic Bacteriology 1973; 23:122-134.

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Record number: 774379