Streptococcus anaerob Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Peptostreptococcales family Peptostreptococcaceae genus Peptostreptococcus species Peptostreptococcus anaerobius Name Homonyms "Streptococcus anaerob" (sic) Kronig 1895 Streptococcus anaerob