Streptococcus lactis (Lister, 1873) Lohnis, 1909 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Firmicutes class Bacilli order Lactobacillales family Streptococcaceae genus Lactococcus species Lactococcus lactis Name Homonyms Streptococcus lactis (Lister, 1873) Lohnis, 1909