"Diplococcus pneumoniae" (Klein 1884) Weichselbaum 1886 Dataset NCBI Taxonomy Classification phylum Bacillota class Bacilli order Lactobacillales family Streptococcaceae genus Streptococcus species Streptococcus pneumoniae Name Homonyms Diplococcus pneumoniae "Diplococcus pneumoniae" (Klein 1884) Weichselbaum 1886