Name: Chlamydophila caviae Everett et al. 1999

Category: Species

Proposed as: sp. nov.

Etymology: ca’vi.ae. L. gen. fem. n. caviae, of the guinea pig (Cavia cobaya) because the type strain was isolated from Cavia cobaya

Gender: feminine

Type strain: ATCC VR-813; DSM 19441; GPIC

Conduct genome-based taxonomy at

16S rRNA gene: D85708 Analyse FASTA

Valid publication: Everett KD, Bush RM, Andersen AA. Emended description of the order Chlamydiales, proposal of Parachlamydiaceae fam. nov. and Simkaniaceae fam. nov., each containing one monotypic genus, revised taxonomy of the family Chlamydiaceae, including a new genus and five new species, and standards for the identification of organisms. Int J Syst Bacteriol 1999; 49:415-440. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 2 of the IJSB. Int J Syst Bacteriol 1999; 49:937-939.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Chlamydia caviae (Everett et al. 1999) Sachse et al. 2024

Risk group: 2

• Synonyms:

  • Name	Kind
    Chlamydia caviae (Everett et al. 1999) Sachse et al. 2024	homotypic synonym, validly published under the ICNP
    "Chlamydia caviae" (Everett et al. 1999) Kalayoglu and Byrne 2006	homotypic synonym, not validly published

• Notes:
  • ❗ Chlamydophila caviae 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 Chlamydophila.
  • 😷 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 = "t". — 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.
  • 🎓 Name mentioned 20 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Chlamydophila caviae Everett et al. 1999 includes guinea pig inclusion conjunctivitis isolates previously belonging to Chlamydia psittaci (Lillie 1930) Page 1968 (Approved Lists 1980). — In the paper by Everett et al. 1999, the type strain is erroneously cited as ATCC VR 813 (without dash). — Tang J. Personal communication, 2001-05-30.

Parent taxon: Chlamydophila Everett et al. 1999

Assigned by: Everett KD, Bush RM, Andersen AA. Emended description of the order Chlamydiales, proposal of Parachlamydiaceae fam. nov. and Simkaniaceae fam. nov., each containing one monotypic genus, revised taxonomy of the family Chlamydiaceae, including a new genus and five new species, and standards for the identification of organisms. Int J Syst Bacteriol 1999; 49:415-440. 🇺🇸

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Record number: 783631