halomonas desiderata halomonas desiderata halomonas desiderata is an alkaliphilic, halotolerant and denitrifying bacterium first isolated from a municipal sewage works. halomonas desiderata scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: oceanospirillales family: halomonadaceae genus: halomonas species: h. desiderata binomial name halomonas desiderataberendes et al. 1997