''Aquabacterium hongkongensis'' is a

bacterium Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...

of the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

Aquabacterium The species of the genus ''Aquabacterium'' are motile, rod-shaped, Gram-negative, oxidase-positive, catalase-negative bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biologi ...

'', in the family

Comamonadaceae The Comamonadaceae are a family of the Betaproteobacteria.Willems A., J. De Ley, M. Gillis, and K. Kersters. ''Comamonadaceae, a New Family Encompassing the Acidovorans rRNA Complex, Including Variovorax paradoxus gen. nov.,comb. nov. for Alcali ...

References

Comamonadaceae Bacteria described in 2009 {{Betaproteobacteria-stub