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 Roseovarius Labrenz et al. 1999
                         1 Roseovarius aestuarii Yoon et al. 2008
                         2 Roseovarius crassostreae Boettcher et al. 2005
                         3 Roseovarius mucosus Biebl et al. 2005
                         4 Roseovarius nubinhibens González et al. 2003
                         5 Roseovarius pacificus Wang et al. 2009
                         6 Roseovarius toleransᵀ Labrenz et al. 1999