"Sphaerocillus thetaiotaomicron" (Distaso 1912) Prevot 1938 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