Marichromatium gracile (Strzeszewski 1913) Imhoff et al. 1998 Marichromatium gracile (Strzeszewski 1913) Imhoff et al. 1998 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 Marichromatium Imhoff et al. 1998 Marichromatium gracile (Strzeszewski 1913) Imhoff et al. 1998 Marichromatium Imhoff et al. 1998 Marichromatium indicum Arunasri et al. 2005 Marichromatium fluminis Sucharita et al. 2010 Marichromatium chrysaorae Shivali et al. 2011 Marichromatium litoris Shivali et al. 2011 Marichromatium purpuratum (Imhoff and Trüper 1980) Imhoff et al. 1998 Marichromatium bheemlicum Anil Kumar et al. 2007 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 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 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