 Note that these hemolytic properties are not necessarily present in vivo.The genus "Enterococcus" includes lactic acid bacteria formerly classified as gamma-hemolytic Group D in the genus streptococcus (see above), including "E. faecilis" ("S. faecalis"), "E. faecium" ("S. faecium"), "E. durans" ("S. durans"), and "E. avium" ("S.