Aquaspirillum anulus Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Burkholderiales family Comamonadaceae genus Giesbergeria species Giesbergeria anulus Name Homonyms Aquaspirillum anulus (Williams and Rittenberg 1957) Hylemon et al. 1973 (Approved Lists 1980) Aquaspirillum anulus