(Thiocystis) (Thiocystis) is a biological genus in the family Chromatiaceae and order Chromatiales.
Thiocystis cadagnonensis
Thiocystis chemoclinalis
Thiocystis gelatinosa
Thiocystis minor
Thiocystis violacea
Thiocystis violascens
Allochromatium
Amoebobacter
Chromatium
Halochromatium
Isochromatium
Lamprobacter
Lamprocystis
Marichromatium
Nitrosococcus
Rhabdochromatium
Rheinheimera
Thermochromatium
Thioalkalicoccus
Thiobaca
Thiocapsa
Thiococcus
Thiocystis
Thiodictyon
Thioflavicoccus
Thiohalocapsa
Thiolamprovum
Thiopedia
Thiophaeococcus
Thiorhodococcus
Thiorhodovibrio
Thiospirillum