Name: Arcicella aquatica Nikitin et al. 2004

Category: Species

Proposed as: sp. nov.

Etymology: a.qua’ti.ca. L. fem. adj. aquatica, aquatic; N.L. fem. n. Arcicella, species from water

Pronunciation, gender: a-KWA-ti-ka, feminine

Type strain: CIP 107990; DSM 17092; LMG 21963; NO-502

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ535729 Analyse FASTA

Valid publication: Nikitin DI, Strompl C, Oranskaya MS, Abraham WR. Phylogeny of the ring-forming bacterium Arcicella aquatica gen. nov., sp. nov. (ex Nikitin et al. 1994), from a freshwater neuston biofilm. Int J Syst Evol Microbiol 2004; 54:681-684.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 3 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:1427-1428.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Arcocella aquatica" Nikitin 1994	homotypic synonym, not validly published

• Emendations:
  • Chen et al. 2013 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. 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.

• Notes:
  • 🥇 Nomenclatural type of the genus Arcicella Nikitin et al. 2004. Publication: Nikitin DI, Strompl C, Oranskaya MS, Abraham WR. Phylogeny of the ring-forming bacterium Arcicella aquatica gen. nov., sp. nov. (ex Nikitin et al. 1994), from a freshwater neuston biofilm. Int J Syst Evol Microbiol 2004; 54:681-684.
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 6 times in PubMed until 2025-06-04.
  • 🧍 Arcicella aquatica Nikitin et al. 2004 was previously known as "Arcocella aquatica" Nikitin et al. 1994. Publication: Nikitin DI, Oranskaya MS, Pitryuk IA, Chernykh NA, Lysenko AM. A new ring-forming bacterium Arcocella aquatica gen. et sp. nov. Mikrobiologiya 1994; 63:152-159.

Parent taxon: Arcicella Nikitin et al. 2004

Assigned by: Nikitin DI, Strompl C, Oranskaya MS, Abraham WR. Phylogeny of the ring-forming bacterium Arcicella aquatica gen. nov., sp. nov. (ex Nikitin et al. 1994), from a freshwater neuston biofilm. Int J Syst Evol Microbiol 2004; 54:681-684.

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Record number: 773364