Peptostreptococcus tetradius Dataset NCBI Taxonomy Classification phylum Bacillota class Tissierellia order Tissierellales family Peptoniphilaceae genus Anaerococcus species Anaerococcus tetradius Name Homonyms Peptostreptococcus tetradius Peptostreptococcus tetradius (ex Choukevitch 1911) Ezaki et al. 1983