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 "Proteobacteria" Craig et al. 2010
               Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic]
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Legionellales Garrity et al. 2005
                     Family Legionellaceaeᵀ Brenner et al. 1979 (Approved Lists 1980) [monotypic]
                       [Genus Fluoribacter Garrity et al. 1980] see Genus Legionella Brenner et al. 1979 (Approved Lists 1980)
                         [Fluoribacter bozemanaeᵀ Garrity et al. 1980] see Legionella bozemanae corrig. Brenner et al. 1980
                         [Fluoribacter dumoffii (Brenner et al. 1980) Brown et al. 1981] see Legionella dumoffii Brenner et al. 1980
                         [Fluoribacter gormanii (Morris et al. 1980) Brown et al. 1981] see Legionella gormanii Morris et al. 1980