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 "Alphaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Alphaproteobacteriaᵀ Garrity et al. 2006
                   Order Rhodobacterales Garrity et al. 2006 [monotypic]
                     Family Rhodobacteraceaeᵀ Garrity et al. 2006
                       Genus Gemmobacter Rothe et al. 1988
                         1 Gemmobacter aquatilisᵀ Rothe et al. 1988
                         2 Gemmobacter fontiphilus Chen et al. 2013
                         3 Gemmobacter lanyuensis Sheu et al. 2013
                         4 Gemmobacter megaterium Liu et al. 2014
                         5.1 Gemmobacter nectariphilus (Tanaka et al. 2004) Chen et al. 2013
                         5.2 Gemmobacter aquaticus (Liu et al. 2010) Chen et al. 2013
                         5.3 Gemmobacter caeni (Zheng et al. 2011) Chen et al. 2013
                         5.4 Gemmobacter changlensis (Anil Kumar et al. 2007) Chen et al. 2013
                         5.5 Gemmobacter nanjingensis (Zhang et al. 2012) Chen et al. 2013
                         6 Gemmobacter tilapiae Sheu et al. 2013