living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Bacteria (Haeckel 1894) see Domain Bacteria Woese et al. 1990
         "Gram-positive cocci"
           Family Streptococcaceae Deibel and Seeley 1974 (Approved Lists 1980)
             1 Genus Streptococcus Rosenbach 1884 (Approved Lists 1980)
             2 Genus Leuconostoc van Tieghem 1878 (Approved Lists 1980)
             3 Genus Pediococcus Claussen 1903 (Approved Lists 1980)
             4 Genus Aerococcus Williams et al. 1953 (Approved Lists 1980)
             5 Genus Gemella Berger 1960 (Approved Lists 1980)