living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Bacteria (Haeckel 1894) see Domain Bacteria Woese et al. 1990
         "Phototrophic bacteria"
           Rhodospirillineae
             1 Family Chromatiaceae Bavendamm 1924 (Approved Lists 1980)
             2 Family Rhodospirillaceae Pfennig and Trüper 1971 (Approved Lists 1980)