Gallaecimonas Rodríguez-Blanco et al. 2010 Gallaecimonas pentaromativorans Rodríguez-Blanco et al. 2010 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 Gallaecimonas Rodríguez-Blanco et al. 2010 Chromatiaceae Bavendamm 1924 (Approved Lists 1980) emend. Sisinthy et al. 2017 Thiopedia Winogradsky 1888 emend. Pfennig and Trüper 1974 (Approved Lists 1980) Thiococcus Imhoff et al. 1998 Rheinheimera Brettar et al. 2002 emend. Hayashi et al. 2018 Thiobaca Rees et al. 2002 Thiorhodococcus Guyoneaud et al. 1998 Thermochromatium Imhoff et al. 1998 Amoebobacter Winogradsky 1888 (Approved Lists 1980) emend. Guyoneaud et al. 1998 Thialkalicoccus (sic) Bryantseva et al. 2000 Thioalkalicoccus (sic) Bryantseva et al. 2000 Thiospirillum Winogradsky 1888 emend. Pfennig and Trüper 1974 (Approved Lists 1980) Rhabdochromatium (ex Winogradsky 1888) Dilling et al. 1996 Thiophaeococcus Anil Kumar et al. 2008 Phaeochromatium Shivalia et al. 2012 Phaeobacterium Nupur et al. 2015 Arsukibacterium Schmidt et al. 2016 Thiodictyon Winogradsky 1888 emend. Pfennig and Trüper 1974 (Approved Lists 1980) Thiocapsa Winogradsky 1888 (Approved Lists 1980) emend. Guyoneaud et al. 1998 Ectothiorhodospira Pelsh 1936 (Approved Lists 1980) Lamprocystis Schroeter 1886 (Approved Lists 1980) emend. Imhoff 2001 Thiocystis Winogradsky 1888 (Approved Lists 1980) emend. Imhoff et al. 1998 Chromatium Perty 1852 (Approved Lists 1980) emend. Imhoff et al. 1998 Thiorhodovibrio Overmann et al. 1993 Halochromatium Imhoff et al. 1998 emend. Anil Kumar et al. 2007 Allochromatium Imhoff et al. 1998 Pfennigia Tindall 1999 Lamprobacter Gorlenko et al. 1988 Thiohalocapsa Imhoff et al. 1998 Marichromatium Imhoff et al. 1998 Thiolamprovum Guyoneaud et al. 1998 Nitrosococcus Winogradsky 1892 (Approved Lists 1980) emend. Wang et al. 2016 Thioflavicoccus Imhoff and Pfennig 2001 Isochromatium Imhoff et al. 1998 Imhoffiella Nupur et al. 2017 Pararheinheimera Sisinthy et al. 2017 Nitrosoglobus Hayatsu et al. 2017 Thiosymbion (sic) Zimmermann et al. 2016 Thiosymbium corrig. Zimmermann et al. 2016 Caldichromatium Saini et al. 2020 Gallaecimonas pentaromativorans Rodríguez-Blanco et al. 2010 Gallaecimonas xiamenensis Wang et al. 2013 Chen W.-M. Yang S.-H. Young C.-C. Sheu S.-Y. Rheinheimera tilapiae sp. nov., isolated from a freshwater culture pond 2013 63 4 1457 1463 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.043836-0 22843724 Wang J. Lai Q. Duan X. Fu Y. Wang L. Wang W. Shao Z. Gallaecimonas xiamenensis sp. nov., isolated from seawater 2013 63 3 930 933 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.042283-0 22659502 Rodríguez-Blanco A. Vetion G. Escande M.-L. Delille D. Ghiglione J.-F. Gallaecimonas pentaromativorans gen. nov., sp. nov., a bacterium carrying 16S rRNA gene heterogeneity and able to degrade high-molecular-mass polycyclic aromatic hydrocarbons 2010 60 3 504 509 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.013532-0 19654338 The authors (Rodriguez-Blanco et al. 2010, rid.10572) place the genus Gallaecimonas in the Gammaproteobacteria. No intermediate taxa are designated.