Name: Aquaspirillum itersonii (Giesberger 1936) Hylemon et al. 1973 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Spirillum itersonii" Giesberger 1936

Etymology: i.ter.so’ni.i. N.L. gen. masc. n. itersonii, of Iterson, named after G. Van Iterson, a Dutch bacteriologist

Gender: neuter

Type strain: ATCC 12639; CCUG 49447; CIP 105798; Giesberger; IFO 15648; JCM 21278; JCM 21494; LMG 4337; NBRC 15648; NCIB 9070; NCIMB 9070; NRRL B-2053

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF612765 Analyse FASTA

Effective publication: Hylemon PB, Wells Jr. JS, Krieg NR, Jannasch HW. The genus Spirillum: A taxonomic study. International Journal of Systematic Bacteriology 1973; 23:340-380.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Novispirillum itersonii (Giesberger 1936) Yoon et al. 2007

Risk group: 1

• Synonyms:

  • Name	Kind
    "Levispirillum itersonii" (Giesberger 1936) Pot and Gillis 2005	homotypic synonym, not validly published
    "Spirillum itersonii" Giesberger 1936	homotypic synonym, not validly published, basonym of name in Approved Lists
    Novispirillum itersonii (Giesberger 1936) Yoon et al. 2007	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Aquaspirillum itersonii 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 Aquaspirillum.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1.
  • 🎓 Name mentioned 11 times in PubMed until 2024-03-27.
  • 🧍 Cited erroneously as synonym of Aquaspirillum serpens until April 1994 in DSMZ List. — Leibniz Institute DSMZ. Prokaryotic Nomenclature Up-to-date, 2018-12-11.

Subdivision:

Number of child taxa with a validly published and correct name: 0
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
    Aquaspirillum itersonii subsp. itersonii (Giesberger 1936) Terasaki 1979 (Approved Lists 1980)	validly published under the ICNP	synonym
    Aquaspirillum itersonii subsp. nipponicum (Terasaki 1973) Terasaki 1979 (Approved Lists 1980)	validly published under the ICNP	synonym

Parent taxon: Aquaspirillum Hylemon et al. 1973 (Approved Lists 1980)

Assigned by: Hylemon PB, Wells Jr. JS, Krieg NR, Jannasch HW. The genus Spirillum: A taxonomic study. International Journal of Systematic Bacteriology 1973; 23:340-380.

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Record number: 787026