Name: Faecalimonas mobilis (Huang et al. 2025) Yamamoto et al. 2026

Category: Species

Proposed as: comb. nov.

Basonym: Coprococcus mobilis Huang et al. 2025

Etymology: mo’bi.lis. L. fem. adj. mobilis, motile

Pronunciation (Latin), gender: … MO-bi-lis, feminine

Type strain: CGMCC 1.48247; HA0524; JCM 37798; KCTC 25783

Conduct genome-based taxonomy at

16S rRNA gene: LC886102 Analyse FASTA

Valid publication: Yamamoto E, Hisatomi A, Miwa K, Sakurai N, Koizumi A, Ohkuma M, Tsuchihashi H, Sakamoto M. Proposal of two novel species, Allocoprococcus similis gen. nov., sp. nov. and Faecalimonas hominis sp. nov., isolated from human faeces and genome-based reorganization of the genus Coprococcus. Int J Syst Evol Microbiol 2026; 76:7011. 🇯🇵

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Coprococcus mobilis Huang et al. 2025	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 0 times in PubMed until 2026-01-09.
  • 🫡 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. This name is not taxonomically suspended any more in favour of Coprococcus mobilis Huang et al. 2025. Publication: Huang HJ, Liu C, Sun XW, Wei RQ, Liu LW, Chen HY, Abdugheni R, Wang CY, Wang XM, Jiang H, et al. The rheumatoid arthritis gut microbial biobank reveals core microbial species that associate and effect on host inflammation and autoimmune responses. Imeta 2024; 3:e242. 🇨🇳 Oren A, Göker M. Validation list no. 223. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6699.

Parent taxon: Faecalimonas Sakamoto et al. 2017

Assigned by: Yamamoto E, Hisatomi A, Miwa K, Sakurai N, Koizumi A, Ohkuma M, Tsuchihashi H, Sakamoto M. Proposal of two novel species, Allocoprococcus similis gen. nov., sp. nov. and Faecalimonas hominis sp. nov., isolated from human faeces and genome-based reorganization of the genus Coprococcus. Int J Syst Evol Microbiol 2026; 76:7011. 🇯🇵

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Record number: 69697