Megasphaera micronuciformis Marchandin et al. 2003 Dataset NCBI Taxonomy Classification phylum Bacillota class Negativicutes order Veillonellales family Veillonellaceae genus Megasphaera species Megasphaera micronuciformis Name Homonyms Megasphaera micronuciformis Megasphaera micronuciformis Marchandin et al. 2003