Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005 Class "Gammaproteobacteria" nom. inval. see Class Gammaproteobacteria Garrity et al. 2005 Order "Chromatiales" Garrity et al. 2001 nom. ined. see Order Chromatiales Imhoff 2005 Family Chromatiaceae Bavendamm 1924 (Approved Lists 1980) 01 Genus Chromatium Perty 1852 (Approved Lists 1980) 02 Genus Allochromatium Imhoff et al. 1998 03 Genus Amoebobacter Winogradsky 1888 (Approved Lists 1980) see Genus Thiocapsa Winogradsky 1888 (Approved Lists 1980) 04 Genus Halochromatium Imhoff et al. 1998 05 Genus Halothiobacillus Kelly and Wood 2000 06 Genus Isochromatium Imhoff et al. 1998 07 Genus Lamprobacter Gorlenko et al. 1988 08 Genus Lamprocystis Schroeter 1886 (Approved Lists 1980) 09 Genus Marichromatium Imhoff et al. 1998 10 Genus Nitrosococcus Winogradsky 1892 (Approved Lists 1980) 11 Genus Pfennigia Tindall 1999 see Genus Lamprocystis Schroeter 1886 (Approved Lists 1980) 12 Genus Rhabdochromatium (ex Winogradsky 1888) Dilling et al. 1996 13 Genus Thermochromatium Imhoff et al. 1998 14 Genus Thioalkalicoccus Bryantseva et al. 2000 15 Genus Thiocapsa Winogradsky 1888 (Approved Lists 1980) 16 Genus Thiococcus (ex Eimhjellen et al. 1967) Imhoff et al. 1998 17 Genus Thiocystis Winogradsky 1888 (Approved Lists 1980) 18 Genus Thiodictyon Winogradsky 1888 (Approved Lists 1980) 19 Genus Thiohalocapsa Imhoff et al. 1998 20 Genus Thiolamprovum Guyoneaud et al. 1998 21 Genus Thiopedia Winogradsky 1888 (Approved Lists 1980) 22 Genus Thiorhodococcus Guyoneaud et al. 1998 23 Genus Thiorhodovibrio Overmann et al. 1993 24 Genus Thiospirillum Winogradsky 1888 (Approved Lists 1980)