Sphaerocillus thetaiotaomicron Dataset NCBI Taxonomy Classification phylum Bacteroidota class Bacteroidia order Bacteroidales family Bacteroidaceae genus Bacteroides species Bacteroides thetaiotaomicron Name Homonyms Sphaerocillus thetaiotaomicron "Sphaerocillus thetaiotaomicron" (Distaso 1912) Prevot 1938