Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown clade] Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Bacteria Woese et al. 1990 [paraphyletic?]
             Terrabacteria Battistuzzi et al. 2004
               Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
                 Bacilli Ludwig et al. 2010
                   Lactobacillales Ludwig et al. 2010
                     Streptococcaceae Deibel and Seeley 1974 (Approved Lists 1980)
                       Lactococcus Schleifer et al. 1986
                         Lactococcus formosensis Chen et al. 2014