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]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
                 Class Bacilli Ludwig et al. 2010
                   Order Bacillalesᵀ Prévot 1953 (Approved Lists 1980)
                     Family Bacillaceaeᵀ Fischer 1895 (Approved Lists 1980)
                       Genus Gracilibacillus Wainø et al. 1999
                         01 Gracilibacillus alcaliphilus Hirota et al. 2014
                         02 Gracilibacillus bigeumensis Kim et al. 2012
                         03 Gracilibacillus boraciitolerans Ahmed et al. 2007
                         04 Gracilibacillus dipsosauri (Lawson et al. 1996) Wainø et al. 1999
                         05 Gracilibacillus halophilus Chen et al. 2008
                         06 Gracilibacillus halotolerans Wainø et al. 1999
                         07 Gracilibacillus kekensis Gao et al. 2012
                         08 Gracilibacillus lacisalsi Jeon et al. 2008
                         09 Gracilibacillus orientalis Carrasco et al. 2006
                         10 Gracilibacillus saliphilus Tang et al. 2009
                         11 Gracilibacillus thailandensis Chamroensaksri et al. 2010
                         12 Gracilibacillus ureilyticus Huo et al. 2010