Name: Undibacterium squillarum Sheu et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: squil.la’rum. L. gen. fem. pl. n. squillarum, of/from shrimps

Pronunciation (Latin), gender: … skwil-LA-rum, neuter

Type strain: BCRC 80404; CMJ-15; KCTC 23917; LMG 26892

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HE648174 Analyse FASTA

Valid publication: Sheu SY, Lin YS, Chen JC, Kwon SW, Chen WM. Undibacterium squillarum sp. nov., isolated from a freshwater shrimp culture pond. Int J Syst Evol Microbiol 2014; 64:3459-3466. 🇹🇼

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 10 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:5-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Cognatundibacterium squillarum (Sheu et al. 2014) Lu et al. 2026

Risk group: 1

• Synonyms:

  • Name	Kind
    Cognatundibacterium squillarum (Sheu et al. 2014) Lu et al. 2026	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Undibacterium squillarum is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Undibacterium.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 2 times in PubMed until 2025-06-04.

Parent taxon: Undibacterium Kämpfer et al. 2007

Assigned by: Sheu SY, Lin YS, Chen JC, Kwon SW, Chen WM. Undibacterium squillarum sp. nov., isolated from a freshwater shrimp culture pond. Int J Syst Evol Microbiol 2014; 64:3459-3466. 🇹🇼

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Record number: 792225