Thiocystis Winogradsky, 1888 emend. Imhoff et al., 1998 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Gammaproteobacteria order Chromatiales family Chromatiaceae genus Thiocystis Name Homonyms Thiocystis Winogradsky, 1888 emend. Imhoff et al., 1998