Name: Ureibacillus yapensis (Yu et al. 2020) Yadav et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Lysinibacillus yapensis Yu et al. 2020

Etymology: ya.pen’sis. N.L. masc. adj. yapensis, pertaining to Yap trench, which is the geographical position where the first isolate of this species was obtained

Pronunciation (Latin), gender: … ya-PEN-sis, masculine

Type strain: JCM 32871; MCCC 1A12698; ylb-03

Conduct genome-based taxonomy at

16S rRNA gene: MG913992 Analyse FASTA

Effective publication: Yadav A, Teware R, Bhatt A, Bhavsar Y, Maurya A, Thorat V, Vemuluri VR, Kirdat K. Ureibacillus aquaedulcis sp. nov., isolated from freshwater well and reclassification of Lysinibacillus yapensis and Lysinibacillus antri as Ureibacillus yapensis comb. nov. and Ureibacillus antri comb. Nov. Arch Microbiol 2024; 206:242. 🇮🇳

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, illegitimate name

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

Correct name: Ureibacillus yapensis (Yu et al. 2020) Li et al. 2024

• Synonyms:

  • Name	Kind
    Ureibacillus yapensis (Yu et al. 2020) Li et al. 2024	homotypic synonym, validly published under the ICNP
    Lysinibacillus yapensis Yu et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.06576 (N = 5).
  • 🎓 Name mentioned 2 times in PubMed until 2025-10-21.
  • 🙅 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.
  • 🧍 Later isonym of Ureibacillus yapensis (Yu et al. 2020) Li et al. 2024. Publication: Li Y, Zhang D, Bo D, Peng D, Sun M, Zheng J. A taxonomic note on the order Caryophanales: description of 12 novel families and emended description of 21 families. Int J Syst Evol Microbiol 2024; 74:6539. 🇨🇳

Parent taxon: Ureibacillus Fortina et al. 2001

Assigned by: Yadav A, Teware R, Bhatt A, Bhavsar Y, Maurya A, Thorat V, Vemuluri VR, Kirdat K. Ureibacillus aquaedulcis sp. nov., isolated from freshwater well and reclassification of Lysinibacillus yapensis and Lysinibacillus antri as Ureibacillus yapensis comb. nov. and Ureibacillus antri comb. Nov. Arch Microbiol 2024; 206:242. 🇮🇳

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Record number: 67905