Name: Segatella intestinalis Shamsuzzaman et al. 2026

Category: Species

Proposed as: sp. nov.

Etymology: in.tes.ti.na’lis. N.L. fem. adj. intestinalis, pertaining to the intestine

Pronunciation (Latin), gender: … in-tes-ti-NA-lis, feminine

Type strain: B2-R-102; CGMCC 1.17963; KCTC 25417

Conduct genome-based taxonomy at

16S rRNA gene: OK147939 Analyse FASTA

Effective publication: Shamsuzzaman M, Dahal RH, Choi Y-J, Kim S, Kim J. Segatella intestinalis sp. nov., and Parabacteroides caeci sp. nov., novel potential probiotics from the human gut microbiome. Antonie van Leeuwenhoek 2025; 118:0. 🇰🇷

IJSEM list: Oren A, Göker M. Validation list no. 227. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2026; 76:6989.

Nomenclatural status: validly published under the ICNP

Taxonomic status: orphaned species (and explicitly recommended for medical use)

• Notes:
  • ❗ Segatella intestinalis 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 Segatella.
  • 🎓 Name mentioned 1 time in PubMed until 2026-02-03.
  • 🙆 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 pathogenicity of other species in the genus.

Parent taxon: Segatella Hitch et al. 2023

Assigned by: Shamsuzzaman M, Dahal RH, Choi Y-J, Kim S, Kim J. Segatella intestinalis sp. nov., and Parabacteroides caeci sp. nov., novel potential probiotics from the human gut microbiome. Antonie van Leeuwenhoek 2025; 118:0. 🇰🇷

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Record number: 70348