Photosynthetic Bacteria -The prokaryotic phototrophs include the purple bacteria (suborder Rhodospirillineae) the green bacteria (suborder Chlorobiineae), the blue, green bacteria (Cyanobacteria) and the Prochlorophyta.
The purple bacteria include the families Rhodospirillaceae (purple non sulphur bacteria) and the Chromatiacae (purple sulphur bacteria).
