Species Olsenella faecalis

Name: Olsenella faecalis Han et al. 2019

Category, proposed as: species, sp. nov.

Etymology: fae.ca’lis. N.L. fem. adj. faecalis, derived from faeces

Pronunciation (Latin), gender: ol-se-NEL-la fa͡e-KA-lis, feminine

Type strain: CCUG 72345; KCTC 15699; KGMB04489

Conduct genome-based taxonomy at

16S rRNA gene: MH517444 Analyse FASTA

Valid publication: Han KI, Lee KC, Eom MK, Kim JS, Suh MK, Park SH, Lee JH, Kang SW, Park JE, Oh BS, et al. Olsenella faecalis sp. nov., an anaerobic actinobacterium isolated from human faeces. Int J Syst Evol Microbiol 2019; 69:2323-2328. 🇰🇷

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 8 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:3315-3317.

Nomenclatural status: validly published under the ICNP

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

Correct name: Paratractidigestivibacter faecalis (Han et al. 2019) Zgheib et al. 2021

Risk group: 1

• Synonyms:

  • Name	Kind
    Paratractidigestivibacter faecalis (Han et al. 2019) Zgheib et al. 2021	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Olsenella faecalis 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 Olsenella.
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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 2 times in PubMed until 2026-06-11.
  • 🙅 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 other species in the genus.

Parent taxon: Olsenella Dewhirst et al. 2001

Assigned by: Han KI, Lee KC, Eom MK, Kim JS, Suh MK, Park SH, Lee JH, Kang SW, Park JE, Oh BS, et al. Olsenella faecalis sp. nov., an anaerobic actinobacterium isolated from human faeces. Int J Syst Evol Microbiol 2019; 69:2323-2328. 🇰🇷

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.5224Copy to clipboardLink copied to clipboard

Record number: 5224