Streptococcus anaerobius Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Peptostreptococcales family Peptostreptococcaceae genus Peptostreptococcus species Peptostreptococcus anaerobius Name Homonyms Streptococcus anaerobius "Streptococcus anaerobius" Natvig 1905