[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 Rhodobacterales Garrity et al. 2006
           Family Rhodobacteraceae Garrity et al. 2006
             Genus Silicibacter Petursdottir and Kristjansson 1999 see Genus Ruegeria Uchino et al. 1999
               Silicibacter lacuscaerulensis Petursdottir and Kristjansson 1999 see Ruegeria lacuscaerulensis (Petursdottir and Kristjansson 1999) Yi et al. 2007