星群链球菌 Streptococcus constellatus
表兄链球菌Streptococcus sobrinus
猪肠链球菌Streptococcus hyointestinalis
唾液链球菌唾液亚种Streptococcus salivarius salivarius
缓症链球菌Streptococcus mitis
肺炎双球菌Streptococcus pneumoniae;Diplococcus pneumoniae
少酸链球菌Streptococcus acidominimus
唾液链球菌唾液亚种Streptococcus salivarius salivarius