[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Alphaproteobacteria Garrity et al. 2006
         Order Rhizobiales Kuykendall 2006
           Family Rhodobiaceae Garrity et al. 2006
             Genus Rhodobium Hiraishi et al. 1995
               1 Rhodobium orientis Hiraishi et al. 1995
               2 Rhodobium marinum (Imhoff 1984) Hiraishi et al. 1995 see Afifella marina (Imhoff 1984) Urdiain et al. 2009