Name: Arcicella rigui Chen et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: ri’gu.i. L. gen. masc. n. rigui, of a well-water place, referring to the site of isolation of the type strain, the Niaosong wetland, Taiwan

Pronunciation, gender: RI-gu-i, feminine

Type strain: BCRC 80260; KCTC 23307; NSW-5

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HM357635 Analyse FASTA

Valid publication: Chen WM, Yang SH, Young CC, Sheu SY. Arcicella rigui sp. nov., isolated from water of a wetland, and emended descriptions of the genus Arcicella, Arcicella aquatica, Arcicella rosea and Arcicella aurantiaca. Int J Syst Evol Microbiol 2013; 63:134-140.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 1 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:1211-1213.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.18216 (N = 6).
  • 😷 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 1 time in PubMed until 2025-06-04.

Parent taxon: Arcicella Nikitin et al. 2004

Assigned by: Chen WM, Yang SH, Young CC, Sheu SY. Arcicella rigui sp. nov., isolated from water of a wetland, and emended descriptions of the genus Arcicella, Arcicella aquatica, Arcicella rosea and Arcicella aurantiaca. Int J Syst Evol Microbiol 2013; 63:134-140.

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Record number: 790408