"Spirillum sinuosum" Williams and Rittenberg 1957 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Betaproteobacteria order Burkholderiales family Comamonadaceae genus Giesbergeria species Giesbergeria sinuosa Name Homonyms "Spirillum sinuosum" Williams and Rittenberg 1957 Spirillum sinuosum