Megasphaera massiliensis Padmanabhan et al. 2016 Dataset NCBI Taxonomy Classification phylum Bacillota class Negativicutes order Veillonellales family Veillonellaceae genus Megasphaera species Megasphaera massiliensis Name Homonyms Megasphaera massiliensis Megasphaera massiliensis Padmanabhan et al. 2016