[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 Hyphomicrobiaceae Babudieri 1950 (Approved Lists 1980)
             Genus Blastochloris Hiraishi 1997
               1 Blastochloris viridis (Drews and Giesbrecht 1966) Hiraishi 1997
               2 Blastochloris sulfoviridis (Keppen and Gorlenko 1975) Hiraishi 1997