Ruminococcus hansenii (Holdeman & Moore, 1974) Ezaki et al., 1994 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Firmicutes class Clostridia order Clostridiales genus Blautia species Blautia hansenii Name Homonyms Ruminococcus hansenii (Holdeman & Moore, 1974) Ezaki et al., 1994