Since the publishing of Bergey's Manual of Systematic Bacteriology (1986), we have followed that manual's classification of the genus Streptococcus. Genus Streptococcus were divided into the following list. 1) Pyogenic Hemolytic Streptococci 2) Oral Streptococci 3) Enterococci 4) Lactic Acid Streptococci 5) Anaerobic Streptococci
