Name: Pseudoflavonifractor intestinihominis Hitch et al. 2025

Category: Species

Proposed as: sp. nov.

Etymology: in.tes.ti.ni.ho’mi.nis. L. neut. adj. intestinum, the intestine; L. masc. n. homo, a human being; N.L. gen. masc. n. intestinihominis, of the human intestine

Pronunciation, gender: in-tes-ti-ni-HO-mi-nis, masculine

Type strain: CLA AP-H29; DSM 118073; LMG 33601

Conduct genome-based taxonomy at

Effective publication: Hitch TCA, Masson JM, Pauvert C, Bosch J, Nuchtern S, Treichel NS, Baloh M, Razavi S, Afrizal A, Kousetzi N, et al. HiBC: a publicly available collection of bacterial strains isolated from the human gut. Nat Commun 2025; 16:4203. 🇩🇪

IJSEM list: Oren A, Göker M. Validation list no. 225. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6863.

Nomenclatural status: validly published under the ICNP

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

• Notes:
  • 🎓 Name mentioned 0 times in PubMed until 2025-10-21.
  • 🙆 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 other species in the genus.

Parent taxon: Pseudoflavonifractor Carlier et al. 2010

Assigned by: Hitch TCA, Masson JM, Pauvert C, Bosch J, Nuchtern S, Treichel NS, Baloh M, Razavi S, Afrizal A, Kousetzi N, et al. HiBC: a publicly available collection of bacterial strains isolated from the human gut. Nat Commun 2025; 16:4203. 🇩🇪

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Record number: 65257