"Spirillum peregrinum" Pretorius 1963 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Rhodospirillales family Novispirillaceae genus Insolitispirillum species Insolitispirillum peregrinum Name Homonyms Spirillum peregrinum "Spirillum peregrinum" Pretorius 1963