Aquaspirillum gracile Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Burkholderiales family Comamonadaceae genus Hylemonella species Hylemonella gracilis Name Homonyms Aquaspirillum gracile Aquaspirillum gracile (Canale-Parola et al. 1966) Hylemon et al. 1973 (Approved Lists 1980)