Name: Oxalobacter paeniformigenes Chmiel et al. 2023

Category: Species

Proposed as: sp. nov.

Etymology: pae.ni.for.mi’ge.nes. L. adv. paene, almost; N.L. pres. part. formigenes, formic acid producing, and specific epithet of an Oxalobacter species; N.L. masc. part. adj. paeniformigenes, meaning that this species is related to but distinct from O. formigenes

Pronunciation, gender: pa͡e-ni-for-MI-ge-nes, masculine

Type strain: ATCC TSD-347; DSM 115066; OxGP1

Conduct genome-based taxonomy at

Effective publication: Chmiel JA, Carr C, Stuivenberg GA, Venema R, Chanyi RM, Al KF, Giguere D, Say H, Akouris PP, Dominguez Romero SA, et al. Corrigendum: New perspectives on an old grouping: the genomic and phenotypic variability of Oxalobacter formigenes and the implications for calcium oxalate stone prevention. Front Microbiol 2023; 14:1231746.

IJSEM list: Oren A, Göker M. Validation list no. 214. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2023; 73:6080.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.14910 (N = 3).
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.
  • 🪓 Organisms assigned to this species have previously been classified as Oxalobacter formigenes Allison et al. 1985. Publication: Allison MJ, Dawson KA, Mayberry WR, Foss JG. Oxalobacter formigenes gen. nov., sp. nov.: oxalate-degrading anaerobes that inhabit the gastrointestinal tract. Arch Microbiol 1985; 141:1-7. Anonymous. Validation list no. 18. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:375-376.
  • 🧍 See also Chmiel et al. (2022). Publication: Chmiel JA, Carr C, Stuivenberg GA, Venema R, Chanyi RM, Al KF, Giguere D, Say H, Akouris PP, Dominguez Romero SA, et al. New perspectives on an old grouping: The genomic and phenotypic variability of Oxalobacter formigenes and the implications for calcium oxalate stone prevention. Front Microbiol 2022; 13:1011102.
  • 🧍 The distinct name Oxalobacter paraformigenes from the same publication has a similar spelling. Publication: Angell RC, Freund GE, Willett P. Automatic spelling correction using a trigram similarity measure. Information Processing and Management 1983; 19:255-261.

Parent taxon: Oxalobacter Allison et al. 1985

Assigned by: Chmiel JA, Carr C, Stuivenberg GA, Venema R, Chanyi RM, Al KF, Giguere D, Say H, Akouris PP, Dominguez Romero SA, et al. Corrigendum: New perspectives on an old grouping: the genomic and phenotypic variability of Oxalobacter formigenes and the implications for calcium oxalate stone prevention. Front Microbiol 2023; 14:1231746.

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Record number: 9779