Allochromatium Amoebobacter Chromatium Halochromatium Isochromatium Lamprobacter Lamprocystis Marichromatium Nitrosococcus Pfennigia Rhabdochromatium Thermochromatium Thialkalicoccus Thiocapsa Thiococcus Thiocystis Thiodictyon Thioflavicoccus Thiohalocapsa Thiolamprovum Thiopedia Thiorhodococcus Thiorhodovibrio Thiospirillum.
