"Pseudobacterium thetaiotaomicron" (Distaso 1912) Krasil'nikov 1949 Dataset NCBI Taxonomy Classification phylum Bacteroidota class Bacteroidia order Bacteroidales family Bacteroidaceae genus Bacteroides species Bacteroides thetaiotaomicron Name Homonyms Pseudobacterium thetaiotaomicron "Pseudobacterium thetaiotaomicron" (Distaso 1912) Krasil'nikov 1949