Chromatium gracile Strzeszewski 1913 (Approved Lists 1980) Chromatium gracile Strzeszewski 1913 (Approved Lists 1980) Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Chromatiales Imhoff 2005 Chromatiaceae Bavendamm 1924 (Approved Lists 1980) emend. Sisinthy et al. 2017 Chromatium Perty 1852 (Approved Lists 1980) emend. Imhoff et al. 1998 Chromatium gracile Strzeszewski 1913 (Approved Lists 1980) Chromatium Perty 1852 (Approved Lists 1980) emend. Imhoff et al. 1998 Chromatium purpuratum Imhoff and Trüper 1980 Chromatium warmingii (Cohn 1875) Migula 1900 (Approved Lists 1980) Chromatium glycolicum Caumette et al. 1997 Chromatium buderi Trüper and Jannasch 1968 (Approved Lists 1980) Chromatium minus Winogradsky 1888 (Approved Lists 1980) Chromatium weissei Perty 1852 (Approved Lists 1980) Chromatium tepidum Madigan 1986 Chromatium violascens Perty 1852 (Approved Lists 1980) Chromatium salexigens Caumette et al. 1989 Chromatium vinosum (Ehrenberg 1838) Winogradsky 1888 (Approved Lists 1980) Chromatium minutissimum Winogradsky 1888 (Approved Lists 1980) Chromatium okenii (Ehrenberg 1838) Perty 1852 (Approved Lists 1980) Marichromatium gracile (Strzeszewski 1913) Imhoff et al. 1998 Chromatium gracile Strzeszewski 1913 (Approved Lists 1980) Imhoff J.F. Süling J. Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. 1998 48 4 1129 1143 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-4-1129 9828415 Strzeszewski B. Beiträge zur Kenntnis der Schwefelflora in der Umgebung von Krakau. 1913 309 334 Bulletin de l'Academie des Sciences de Cracovie Marichromatium gracile (Strzeszewski 1913) Imhoff et al. 1998 Skerman V.B.D. McGowan V. Sneath P.H.A. Approved Lists of Bacterial Names 1980 30 1 225 420 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-225 Imhoff J.F. Süling J. Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. 1998 48 4 1129 1143 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-4-1129 9828415 Strzeszewski B. Beiträge zur Kenntnis der Schwefelflora in der Umgebung von Krakau. 1913 309 334 Bulletin de l'Academie des Sciences de Cracovie