Name: Aquaspirillum aquaticum Hylemon et al. 1973 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: L. neut. adj. aquaticum, living, growing, or found in or by the water, aquatic

Type strains: ATCC 11330; CCUG 15845; CCUG 17395; DSM 9155; LMG 2370

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene accession number: AJ430344

Valid 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

Taxonomic status: synonym

Correct name: Comamonas aquatica (Hylemon et al. 1973) Wauters et al. 2003

Risk group: 2

• Synonyms:

  • Name	Kind
    Comamonas aquatica (Hylemon et al. 1973) Wauters et al. 2003	homotypic synonym, validly published

• Notes:
  • According to Willems et al. 1991, Aquaspirillum aquaticum Hylemon et al. 1973 (Approved Lists 1980) and Comamonas terrigena (ex Hugh 1962) De Vos et al. 1985 should be regarded as a single species. The genus name Comamonas (ex Davis and Park 1962) De Vos et al. 1985 and the specific epithet terrigena have precedence over the genus name Aquaspirillum Hylemon et al. 1973 and the specific epithet aquaticum. Publication: Willems A, Pot B, Falsen E, Vandamme P, Gillis M, Kersters K, De Ley J. Polyphasic taxonomic study of the emended genus Comamonas: relationship to Aquaspirillum aquaticum, E. Falsen group 10, and other clinical isolates. Int. J. Syst. Bacteriol. 1991; 41:427-444.
  • The species Comamonas terrigena (ex Hugh 1962) De Vos et al. 1985 encompasses three clusters on the basis of DNA-rRNA and DNA-DNA hybridization data, and of protein electrophoretic patterns and immunotyping. These three groups can also be differentiated phenotypically from each other. Wauters et al. 2003 propose to rename Comamonas terrigena DNA group 2 [containing former Aquaspirillum aquaticum Hylemon et al. 1973 (Approved Lists 1980)] as Comamonas aquatica comb. nov.

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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