Streptococcus lactis (Lister 1873) Lohnis 1909 (Approved Lists 1980) Dataset NCBI Taxonomy Classification kingdom Bacillati phylum Bacillota class Bacilli order Lactobacillales family Streptococcaceae genus Lactococcus species Lactococcus lactis Name Homonyms Streptococcus lactis B "Streptococcus lactis B" Ayers et al. 1924 Streptococcus lactis (Lister 1873) Lohnis 1909 (Approved Lists 1980)