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
                   Bacillales Prévot 1953 (Approved Lists 1980)
                     Bacillaceae Fischer 1895 (Approved Lists 1980)
                       Aquisalibacillus elongatus Márquez et al. 2008