Chlorobium
(tree size 16)
Chlorochromatium
Prosthecochloris
(tree size 4)
Chlorobaculum
(tree size 4)
Chlorobium/pelodictyon group
(tree size 6)
Ancalochloris
(tree size 1)
Chloroherpeton
(tree size 1)
Clathrochloris
(tree size 1)