"Phocaeicola faecium" Gilroy et al. 2021 Dataset NCBI Taxonomy Classification phylum Bacteroidota class Bacteroidia order Bacteroidales family Bacteroidaceae genus Phocaeicola species Phocaeicola faecium Name Homonyms Phocaeicola faecium "Phocaeicola faecium" Gilroy et al. 2021