"Streptococcus milleri" Guthof Dataset NCBI Taxonomy Classification phylum Bacillota class Bacilli order Lactobacillales family Streptococcaceae genus Streptococcus species Streptococcus milleri Name Homonyms Streptococcus milleri 'Streptococcus milleri' "Streptococcus milleri" Guthof