prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Chlorobi" Iino et al. 2010
       Class Chlorobea Cavalier-Smith 2002 [monotypic]
         Order Chlorobiales Gibbons and Murray 1978 (Approved Lists 1980) [monotypic]
           Family Chlorobiaceae Copeland 1956 (Approved Lists 1980)
             1 Genus Ancalochloris Gorlenko and Lebedeva 1971 (Approved Lists 1980)
             2 Genus Chlorobaculum Imhoff 2003
             3 Genus Chlorobium Nadson 1906 (Approved Lists 1980)
             4 Genus Chloroherpeton Gibson et al. 1985
             5 Genus Pelodictyon Lauterborn 1913 (Approved Lists 1980)
             6 Genus Prosthecochloris Gorlenko 1970 (Approved Lists 1980)