Name: Naxibacter varians Kämpfer et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: va’ri.ans. L. masc. part. adj. varians, varying, pertaining to the variable results in biochemical tests

Gender: masculine

Type strain: CCM 7478; CCUG 35299; DSM 21873

Conduct genome-based taxonomy at

16S rRNA gene: AM774587 Analyse FASTA

Valid publication: Kampfer P, Falsen E, Busse HJ. Naxibacter varians sp. nov. and Naxibacter haematophilus sp. nov., and emended description of the genus Naxibacter. Int J Syst Evol Microbiol 2008; 58:1680-1684. 🇩🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 7 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:2247-2248.

Nomenclatural status: validly published under the ICNP

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

Correct name: Massilia varians (Kämpfer et al. 2008) Kämpfer et al. 2011

Risk group: 1

• Synonyms:

  • Name	Kind
    Telluria varians (Kämpfer et al. 2008) Bowman 2023	homotypic synonym, validly published under the ICNP
    Massilia varians (Kämpfer et al. 2008) Kämpfer et al. 2011	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Naxibacter varians 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 Naxibacter.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 3 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 genus.

Parent taxon: Naxibacter Xu et al. 2005

Assigned by: Kampfer P, Falsen E, Busse HJ. Naxibacter varians sp. nov. and Naxibacter haematophilus sp. nov., and emended description of the genus Naxibacter. Int J Syst Evol Microbiol 2008; 58:1680-1684. 🇩🇪

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Record number: 787457