Name: Faecalibacterium wellingii Plomp and Harmsen 2025

Category: Species

Proposed as: sp. nov.

Etymology: wel.ling’i.i. N.L. gen. masc. n. wellingii, of Welling, named after the Dutch microbiologist Gjalt W. Welling, in honor of his contribution to research on human microbiota

Pronunciation (Latin), gender: … wel-LIN͡G-i-i, neuter

Type strain: DSM 117771; HTF-F; NCIMB 15531

Conduct genome-based taxonomy at

16S rRNA gene: HQ457030 Analyse FASTA

Effective publication: Plomp N, Harmsen HJM. Faecalibacterium wellingii sp. nov. and Faecalibacterium langellae sp. nov., description of two novel species aiding to the reclassification of Faecalibacterium species. Anaerobe 2024; 0:102881. 🇳🇱

IJSEM list: Oren A, Göker M. Validation list no. 221. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6562.

Nomenclatural status: validly published under the ICNP

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

• Notes:
  • 🎓 Name mentioned 1 time in PubMed until 2026-02-10.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Faecalibacterium Duncan et al. 2002

Assigned by: Plomp N, Harmsen HJM. Faecalibacterium wellingii sp. nov. and Faecalibacterium langellae sp. nov., description of two novel species aiding to the reclassification of Faecalibacterium species. Anaerobe 2024; 0:102881. 🇳🇱

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Record number: 57195