Genus Neoundibacterium

Name: Neoundibacterium Ma et al. 2026

Category, proposed as: genus, gen. nov.

Etymology: Ne.o.un.di.bac.te’ri.um. Gr. masc. adj. neos, new (may keep -o); N.L. neut. n. Undibacterium, a bacterial generic name; N.L. neut. n. Neoundibacterium, new Undibacterium

Gender, pronunciation (Latin): neuter (stem: Neoundibacteri-), ne-o-un-di-bak-TE-ri-um

Type species: Neoundibacterium parvum (Eder et al. 2011) Ma et al. 2026

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Ma T, Xue H, Piao C, Jiang N, Li Y. Genome-based analyses of family Oxalobacteraceae reveal the taxonomic classification. Res Microbiol 2023; 174:104076. 🇨🇳

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: correct name

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Undibacterium Kämpfer et al. 2007. Publication: Eder W, Wanner G, Ludwig W, Busse HJ, Ziemke-Kageler F, Lang E. Description of Undibacterium oligocarboniphilum sp. nov., isolated from purified water, and Undibacterium pigrum strain CCUG 49012 as the type strain of Undibacterium parvum sp. nov., and emended descriptions of the genus Undibacterium and the species Undibacterium pigrum. Int J Syst Evol Microbiol 2011; 61:384-391. 🇺🇸
  • 🧬 The phylogenomic assignment score of this taxon is 0.09073 (N = 2).
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 1; CIP: 1; DSM: 1; CCUG: 1; JCM: 1.
  • 🧍 The distinct name Affinundibacterium from the same publication has a similar spelling. — 🧍 The distinct name Paraundibacterium from the same publication has a similar spelling. — 🧍 The distinct name Parundibacterium 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.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Neoundibacterium parvum (Eder et al. 2011) Ma et al. 2026	validly published under the ICNP	correct name
    Neoundibacterium piscinae (Lee et al. 2019) Ma et al. 2026	validly published under the ICNP	correct name

Parent taxon: Oxalobacteraceae Garrity et al. 2006

Assigned by: Ma T, Xue H, Piao C, Jiang N, Li Y. Genome-based analyses of family Oxalobacteraceae reveal the taxonomic classification. Res Microbiol 2023; 174:104076. 🇨🇳

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Record number: 70243