| antarctica | | arsukibacterium sp. mj3 | species | 395 | 0 |
| antarctica | | uncultured thiococcus sp. | species | 1 | 0 |
| armenia | | rheinheimera soli | species | 1 | 0 |
| australia | | thiobaca trueperi | species | 1 | 0 |
| australia | new south wales | rheinheimera aquimaris | species | 2 | 0 |
| australia | new south wales | rheinheimera pacifica | species | 2 | 0 |
| australia | new south wales | rheinheimera sp. | species | 2 | 0 |
| australia | new south wales | thiobaca trueperi | species | 44 | 0 |
| australia | queensland | uncultured nitrosococcus sp. | species | 2 | 0 |
| australia | south australia | thiobaca | genus | 0 | 1 |
| australia | south australia | thiobaca trueperi | species | 0 | 1 |
| bahamas | | allochromatium palmeri | species | 200 | 0 |
| bahamas | | marichromatium purpuratum | species | 3 | 0 |
| bahamas | | thiocapsa sp. bh-1 | species | 1 | 0 |
| bahamas | | uncultured chromatiaceae bacterium | species | 5 | 0 |
| bahamas | south andros district | allochromatium palmeri | species | 1 | 0 |
| barbados | | nitrosococcus oceani c-27 | no rank | 1084 | 0 |
| belarus | | rheinheimera tilapiae | species | 1 | 0 |
| belgium | flemish region | uncultured nitrosococcus sp. | species | 1 | 0 |
| brazil | | rheinheimera aquatica | species | 3 | 0 |
| brazil | | rheinheimera aquimaris | species | 1 | 0 |
| brazil | | rheinheimera chironomi | species | 2 | 0 |
| brazil | | rheinheimera sp. ao2_29 | species | 1 | 0 |
| brazil | | rheinheimera texasensis | species | 1 | 0 |
| brazil | | uncultured chromatiaceae bacterium | species | 1 | 0 |
| brazil | | uncultured rheinheimera sp. | species | 4 | 0 |
| brazil | parana | uncultured thiococcus sp. | species | 1 | 0 |
| canada | | rheinheimera soli | species | 1 | 0 |
| canada | alberta | rheinheimera sp. uba4099 | species | 1 | 0 |
| canada | alberta | thiocapsa sp. uba6158 | species | 2 | 0 |
| canada | british columbia | thiohalocapsa sp. ml1 | species | 276 | 0 |
| canada | british columbia | uncultured chromatiaceae bacterium ml_gamma | species | 1 | 0 |
| canada | manitoba | rheinheimera sp. kl1 | species | 176 | 0 |
| canada | ontario | rheinheimera sp. 16s-8 | species | 1 | 0 |
| canada | quebec | rheinheimera arenilitoris | species | 3 | 0 |
| canada | saskatchewan | rheinheimera sp. f8 | species | 2 | 0 |
| china | | lamprocystis purpurea | species | 2 | 0 |
| china | | marichromatium gracile | species | 242 | 0 |
| china | | marichromatium purpuratum 984 | no rank | 1 | 0 |
| china | | marichromatium sp. 09261-374 | species | 1 | 0 |
| china | | rheinheimera aquatica | species | 1 | 0 |
| china | | rheinheimera baltica | species | 1 | 0 |
| china | | rheinheimera longhuensis | species | 1 | 0 |
| china | | rheinheimera pacifica | species | 4 | 0 |
| china | | rheinheimera soli | species | 1 | 0 |
| china | | rheinheimera sp. | species | 10 | 0 |
| china | | rheinheimera sp. a96 | species | 1 | 0 |
| china | | rheinheimera sp. nt-1 | species | 1 | 0 |
| china | | rheinheimera sp. qhl08 | species | 1 | 0 |
| china | | rheinheimera sp. ycsd39 | species | 1 | 0 |
| china | | rheinheimera tangshanensis | species | 3 | 0 |
| china | | thiorhodococcus drewsii | species | 1 | 0 |
| china | | uncultured allochromatium sp. | species | 2 | 0 |
| china | | uncultured chromatiaceae bacterium | species | 3 | 0 |
| china | | uncultured halochromatium sp. | species | 2 | 0 |
| china | | uncultured lamprobacter sp. | species | 1 | 0 |
| china | | uncultured nitrosococcus sp. | species | 18 | 0 |
| china | | uncultured rheinheimera sp. | species | 7 | 0 |
| china | | uncultured thiorhodovibrio sp. | species | 3 | 0 |
| china | fujian | marichromatium gracile | species | 1 | 0 |
| china | hebei | rheinheimera sp. a96 | species | 1 | 0 |
| china | henan | uncultured rheinheimera sp. | species | 1 | 0 |
| china | hunan | rheinheimera | genus | 0 | 1 |
| china | hunan | uncultured nitrosococcus sp. | species | 2 | 0 |
| china | hunan | uncultured rheinheimera sp. | species | 2 | 0 |
| china | qinghai | rheinheimera perlucida | species | 1 | 0 |
| china | qinghai | rheinheimera sp. yim c817 | species | 1 | 0 |
| china | qinghai | rheinheimera tuosuensis | species | 3 | 0 |
| china | shandong | marichromatium sp. 09261-374 | species | 1 | 0 |
| china | shandong | rheinheimera sp. slg310a2-32-1 | species | 1 | 0 |
| china | shandong | rheinheimera sp. ycsd39 | species | 1 | 0 |
| china | shandong | uncultured chromatium sp. | species | 5 | 0 |
| china | shanghai shi | rheinheimera aquimaris | species | 1 | 0 |
| china | tibet | uncultured thiorhodovibrio sp. | species | 1 | 0 |
| china | xinjiang | rheinheimera sp. d8 | species | 1 | 0 |
| china | yunnan | rheinheimera sp. th210 | species | 1 | 0 |
| china | yunnan | rheinheimera sp. th211 | species | 1 | 0 |
| china | yunnan | rheinheimera sp. th212 | species | 1 | 0 |
| china | yunnan | rheinheimera sp. th213 | species | 1 | 0 |
| china | yunnan | rheinheimera sp. th214 | species | 1 | 0 |
| china | yunnan | rheinheimera sp. th215 | species | 1 | 0 |
| denmark | | rheinheimera sp. j34a-5a | species | 1 | 0 |
| egypt | | allochromatium vinosum | species | 2 | 0 |
| egypt | | nitrosococcus oceani | species | 1 | 0 |
| ethiopia | | uncultured allochromatium sp. | species | 4 | 0 |
| ethiopia | | uncultured thiobaca sp. | species | 1 | 0 |
| ethiopia | | uncultured thiocapsa sp. | species | 1 | 0 |
| finland | | rheinheimera sp. akb-2008-4218a | species | 1 | 0 |
| finland | | rheinheimera sp. akb-2008-4218g | species | 1 | 0 |
| finland | | rheinheimera sp. akb-2008-te32 | species | 1 | 0 |
| france | | rheinheimera sp. | species | 5 | 0 |
| france | | thiocapsa purpurea | species | 1 | 0 |
| france | | uncultured chromatiaceae bacterium | species | 37 | 0 |
| france | ile-de-france region | nitrosococcus | genus | 0 | 1 |
| france | provence-alpes-cote d'azur region | allochromatium sp. ber2201 | species | 1 | 0 |
| french polynesia | | allochromatium sp. at2202 | species | 1 | 0 |
| french polynesia | | allochromatium sp. at2203 | species | 1 | 0 |
| french polynesia | | halochromatium sp. ar2201 | species | 1 | 0 |
| french polynesia | | halochromatium sp. ar2202 | species | 1 | 0 |
| french polynesia | | thiococcus sp. at2204 | species | 1 | 0 |
| french polynesia | | thiococcus sp. at2205 | species | 1 | 0 |
| french polynesia | | thiococcus sp. at2206 | species | 1 | 0 |
| germany | | rheinheimera hassiensis | species | 82 | 0 |
| germany | | rheinheimera muenzenbergensis | species | 1 | 0 |
| germany | | thiocapsa sp. ks1 | species | 446 | 0 |
| germany | | uncultured rheinheimera sp. | species | 5 | 0 |
| germany | bavaria | rheinheimera sp. sa_1 | species | 46 | 0 |
| germany | berlin | uncultured chromatiaceae bacterium | species | 4 | 0 |
| germany | schleswig-holstein | thiobaca sp. mtrddf079 | species | 1 | 0 |
| germany | schleswig-holstein | thiocapsa sp. mtrddf078 | species | 1 | 0 |
| germany | schleswig-holstein | thiocapsa sp. mtwdm010 | species | 1 | 0 |
| germany | schleswig-holstein | thiocapsa sp. mtwdm061 | species | 1 | 0 |
| germany | schleswig-holstein | uncultured allochromatium sp. | species | 2 | 0 |
| germany | schleswig-holstein | uncultured chromatiaceae bacterium | species | 5 | 0 |
| germany | schleswig-holstein | uncultured halochromatium sp. | species | 3 | 0 |
| germany | schleswig-holstein | uncultured marichromatium sp. | species | 1 | 0 |
| germany | schleswig-holstein | uncultured thiocapsa sp. | species | 3 | 0 |
| germany | schleswig-holstein | uncultured thiohalocapsa sp. | species | 2 | 0 |
| germany | schleswig-holstein | uncultured thiorhodococcus sp. | species | 3 | 0 |
| germany | schleswig-holstein | uncultured thiorhodovibrio sp. | species | 1 | 0 |
| greece | | rheinheimera sp. | species | 2 | 0 |
| greenland | | arsukibacterium ikkense | species | 90 | 0 |
| greenland | | chromatiaceae bacterium caa102 | species | 1 | 0 |
| greenland | | chromatiaceae bacterium caa315 | species | 1 | 0 |
| greenland | | chromatiaceae bacterium caa82 | species | 1 | 0 |
| greenland | | chromatiaceae bacterium gcm26 | species | 1 | 0 |
| greenland | | chromatiaceae bacterium gcm59 | species | 1 | 0 |
| greenland | | uncultured chromatiaceae bacterium | species | 10 | 0 |
| hungary | | rheinheimera chironomi | species | 1 | 0 |
| hungary | | rheinheimera longhuensis | species | 1 | 0 |
| hungary | | rheinheimera perlucida | species | 1 | 0 |
| hungary | | rheinheimera sp. hsd-7105 | species | 1 | 0 |
| hungary | | rheinheimera texasensis | species | 1 | 0 |
| hungary | bacs-kiskun county | uncultured rheinheimera sp. | species | 5 | 0 |
| hungary | veszprem county | rheinheimera sp. hsd-7105 | species | 1 | 0 |
| india | | allochromatium renukae | species | 1 | 0 |
| india | | allochromatium vinosum | species | 2 | 0 |
| india | | marichromatium gracile | species | 1 | 0 |
| india | | marichromatium indicum | species | 15 | 0 |
| india | | rheinheimera aquimaris | species | 35 | 0 |
| india | | rheinheimera chironomi | species | 1 | 0 |
| india | | rheinheimera nanhaiensis | species | 5 | 0 |
| india | | rheinheimera perlucida | species | 1 | 0 |
| india | | rheinheimera sp. | species | 6 | 0 |
| india | | rheinheimera sp. enrichment culture clone ms1-19 | species | 1 | 0 |
| india | | rheinheimera sp. kok32 | species | 1 | 0 |
| india | | rheinheimera sp. kufos-c11 | species | 1 | 0 |
| india | | rheinheimera sp. kufos-c9 | species | 1 | 0 |
| india | | rheinheimera texasensis | species | 1 | 0 |
| india | | uncultured halochromatium sp. | species | 3 | 0 |
| india | | uncultured marichromatium sp. | species | 1 | 0 |
| india | | uncultured rheinheimera sp. | species | 1 | 0 |
| india | | uncultured thiocystis sp. | species | 2 | 0 |
| india | andhra pradesh | allochromatium phaeobacterium | species | 3 | 0 |
| india | andhra pradesh | allochromatium renukae | species | 2 | 0 |
| india | andhra pradesh | allochromatium sp. ja523 | species | 1 | 0 |
| india | andhra pradesh | allochromatium vinosum | species | 2 | 0 |
| india | andhra pradesh | halochromatium roseum | species | 413 | 0 |
| india | andhra pradesh | marichromatium bheemlicum | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. ja120 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. ja121 | species | 3 | 0 |
| india | andhra pradesh | marichromatium sp. nu11 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. nu19 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. nu25 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. nu4 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. nu7 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. nu8 | species | 1 | 0 |
| india | andhra pradesh | marichromatium sp. nu9 | species | 1 | 0 |
| india | andhra pradesh | phaeochromatium sp. nu2 | species | 1 | 0 |
| india | andhra pradesh | rheinheimera sp. ng3(2010) | species | 1 | 0 |
| india | andhra pradesh | thiocapsa sp. mtpp2if162 | species | 1 | 0 |
| india | andhra pradesh | thiocapsa subramanianii | species | 30 | 0 |
| india | andhra pradesh | thiorhodococcus kakinadensis | species | 1 | 0 |
| india | chandigarh | rheinheimera sp. chandigarh | species | 1 | 0 |
| india | goa | marichromatium indicum | species | 2 | 0 |
| india | gujarat | marichromatium gracile | species | 1 | 0 |
| india | gujarat | marichromatium sp. ja439 | species | 2 | 0 |
| india | gujarat | marichromatium sp. ja818 | species | 1 | 0 |
| india | gujarat | rheinheimera aquimaris | species | 1 | 0 |
| india | gujarat | rheinheimera sp. g2dm-88 | species | 1 | 0 |
| india | gujarat | rheinheimera sp. g3dm-27 | species | 1 | 0 |
| india | gujarat | thiorhodococcus sp. ja878 | species | 2 | 0 |
| india | jammu and kashmir | rheinheimera | genus | 0 | 1 |
| india | karnataka | rheinheimera sp. thwcsn2 | species | 1 | 0 |
| india | kerala | marichromatium gracile | species | 1 | 0 |
| india | kerala | marichromatium sp. cb1 | species | 1 | 0 |
| india | kerala | marichromatium sp. cb20 | species | 1 | 0 |
| india | kerala | marichromatium sp. cb23(1) | species | 1 | 0 |
| india | kerala | marichromatium sp. cb5 | species | 1 | 0 |
| india | kerala | marichromatium sp. cb9 | species | 1 | 0 |
| india | kerala | phaeochromatium sp. cb23(2) | species | 1 | 0 |
| india | kerala | phaeochromatium sp. cb25 | species | 1 | 0 |
| india | kerala | phaeochromatium sp. cb25(2) | species | 1 | 0 |
| india | kerala | thiorhodococcus sp. ak59 | species | 1 | 0 |
| india | kerala | thiorhodococcus sp. cb18 | species | 1 | 0 |
| india | kerala | thiorhodococcus sp. cb21 | species | 22 | 0 |
| india | maharashtra | uncultured thiocapsa sp. | species | 1 | 0 |
| india | meghalaya | rheinheimera sp. wmf-1 | species | 1 | 0 |
| india | odisha | allochromatium | genus | 0 | 1 |
| india | odisha | allochromatium phaeobacterium | species | 1 | 0 |
| india | odisha | allochromatium sp. ja423 | species | 1 | 0 |
| india | odisha | allochromatium sp. ja444 | species | 1 | 0 |
| india | odisha | allochromatium sp. ja449 | species | 1 | 0 |
| india | odisha | chromatium | genus | 0 | 1 |
| india | odisha | marichromatium | genus | 0 | 1 |
| india | odisha | marichromatium bheemlicum | species | 0 | 1 |
| india | odisha | marichromatium chilcum | species | 1 | 0 |
| india | odisha | marichromatium gracile | species | 0 | 1 |
| india | odisha | marichromatium indicum | species | 1 | 1 |
| india | odisha | marichromatium purpuratum | species | 0 | 1 |
| india | odisha | marichromatium sp. ja328 | species | 1 | 0 |
| india | odisha | marichromatium sp. ja503 | species | 1 | 0 |
| india | odisha | phaeochromatium fluminis | species | 4 | 0 |
| india | odisha | rheinheimera sp. tps16 | species | 1 | 0 |
| india | odisha | thermochromatium | genus | 0 | 1 |
| india | odisha | thiocystis | genus | 0 | 1 |
| india | odisha | thiophaeococcus | genus | 0 | 1 |
| india | odisha | thiorhodococcus fuscus | species | 1 | 0 |
| india | odisha | thiorhodococcus modestalkaliphilus | species | 1 | 0 |
| india | odisha | thiorhodococcus sp. ja362 | species | 1 | 0 |
| india | puducherry | phaeobacterium nitratireducens | species | 2 | 0 |
| india | rio grande do norte | marichromatium sp. sl2 | species | 1 | 0 |
| india | rio grande do norte | rheinheimera sp. ak109 | species | 1 | 0 |
| india | tamil nadu | allochromatium sp. ja506 | species | 1 | 0 |
| india | tamil nadu | allochromatium sp. ja584 | species | 1 | 0 |
| india | tamil nadu | marichromatium chrysaorae | species | 1 | 0 |
| india | tamil nadu | marichromatium purpuratum | species | 2 | 0 |
| india | tamil nadu | marichromatium sp. ja350 | species | 4 | 0 |
| india | tamil nadu | marichromatium sp. ja500 | species | 1 | 0 |
| india | tamil nadu | marichromatium sp. ja509 | species | 1 | 0 |
| india | tamil nadu | marichromatium sp. ja548 | species | 1 | 0 |
| india | tamil nadu | marichromatium sp. ja550 | species | 8 | 0 |
| india | tamil nadu | rheinheimera nanhaiensis | species | 1 | 0 |
| india | tamil nadu | thiophaeococcus fuscus | species | 2 | 0 |
| india | tamil nadu | thiorhodococcus bheemlicus | species | 1 | 0 |
| india | west bengal | marichromatium sp. ja644 | species | 1 | 0 |
| india | west bengal | marichromatium sp. ja646 | species | 1 | 0 |
| india | west bengal | marichromatium sp. ja649 | species | 1 | 0 |
| india | west bengal | rheinheimera sp. bas127i | species | 1 | 0 |
| iran | | rheinheimera aquimaris | species | 1 | 0 |
| iran | east azerbaijan province | rheinheimera | genus | 0 | 1 |
| ireland | northern ireland | rheinheimera chironomi | species | 1 | 0 |
| israel | | chromatiaceae bacterium d10-48 | species | 1 | 0 |
| israel | | rheinheimera sp. kin35 | species | 1 | 0 |
| israel | | rheinheimera sp. kin89 | species | 1 | 0 |
| italy | | rheinheimera aquimaris | species | 2 | 0 |
| italy | | uncultured chromatiaceae bacterium | species | 3 | 0 |
| italy | | uncultured nitrosococcus sp. | species | 1 | 0 |
| italy | lazio region | rheinheimera sp. t3(2010) | species | 1 | 0 |
| italy | tuscany region | uncultured nitrosococcus sp. | species | 1 | 0 |
| japan | | rheinheimera sp. | species | 2 | 0 |
| japan | | uncultured chromatiaceae bacterium | species | 1 | 0 |
| japan | | uncultured marichromatium sp. | species | 5 | 0 |
| japan | | uncultured thiocapsa sp. | species | 11 | 0 |
| japan | fukui prefecture | uncultured chromatiaceae bacterium | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured marichromatium sp. | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured rheinheimera sp. | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured thiocystis sp. | species | 1 | 0 |
| japan | ibaraki prefecture | rheinheimera sp. 114np12 | species | 1 | 0 |
| japan | kagoshima prefecture | chromatium sp. kaiike | species | 1 | 0 |
| japan | kanagawa prefecture | rheinheimera sp. | species | 1 | 0 |
| japan | kanagawa prefecture | rheinheimera sp. b18va | species | 1 | 0 |
| japan | kyoto prefecture | rheinheimera chironomi | species | 1 | 0 |
| japan | kyoto prefecture | rheinheimera texasensis | species | 2 | 0 |
| japan | shizuoka prefecture | candidatus nitrosoglobus terrae | species | 2 | 0 |
| japan | shizuoka prefecture | uncultured halochromatium sp. | species | 2 | 0 |
| japan | shizuoka prefecture | uncultured thiocapsa sp. | species | 1 | 0 |
| japan | shizuoka prefecture | uncultured thiococcus sp. | species | 2 | 0 |
| japan | tokyo prefecture | nitrosococcus oceani | species | 2 | 0 |
| japan | yamanashi prefecture | rheinheimera sp. | species | 1 | 0 |
| kuwait | | uncultured rheinheimera sp. | species | 2 | 0 |
| lithuania | | rheinheimera mesophila | species | 1 | 0 |
| lithuania | | rheinheimera soli | species | 3 | 0 |
| mexico | | rheinheimera aquimaris | species | 5 | 0 |
| mexico | | rheinheimera soli | species | 1 | 0 |
| mexico | | rheinheimera sp. | species | 10 | 0 |
| mexico | | rheinheimera sp. 2a3 | species | 1 | 0 |
| mexico | | rheinheimera sp. 2a4 | species | 1 | 0 |
| mexico | | rheinheimera sp. 2a9 | species | 1 | 0 |
| mexico | | rheinheimera sp. canegra | species | 1 | 0 |
| mexico | | rheinheimera sp. j4.1b6 | species | 1 | 0 |
| mexico | | rheinheimera sp. j4.1b7 | species | 2 | 0 |
| mexico | | rheinheimera sp. j5.2a4 | species | 1 | 0 |
| mexico | | uncultured chromatiaceae bacterium | species | 12 | 0 |
| mexico | | uncultured nitrosococcus sp. | species | 1 | 0 |
| mexico | | uncultured rheinheimera sp. | species | 3 | 0 |
| mexico | baja california | chromatium | genus | 0 | 4 |
| mexico | baja california | thiocapsa | genus | 0 | 4 |
| mexico | guerrero | chromatium | genus | 0 | 1 |
| mexico | sinaloa | rheinheimera sp. c3-4m | species | 1 | 0 |
| mexico | yucatan | rheinheimera texasensis | species | 1 | 0 |
| mexico | yucatan | rheinheimera tilapiae | species | 1 | 0 |
| mexico | yucatan | uncultured rheinheimera sp. | species | 2 | 0 |
| new zealand | | chromatiaceae bacterium nz | species | 4 | 0 |
| nigeria | | uncultured allochromatium sp. | species | 2 | 0 |
| nigeria | | uncultured halochromatium sp. | species | 1 | 0 |
| nigeria | | uncultured rheinheimera sp. | species | 8 | 0 |
| nigeria | | uncultured thiobaca sp. | species | 1 | 0 |
| nigeria | | uncultured thioflavicoccus sp. | species | 1 | 0 |
| nigeria | cross river | chromatium | genus | 0 | 1 |
| nigeria | delta | chromatium | genus | 0 | 1 |
| nigeria | niger | chromatium | genus | 0 | 1 |
| norway | | uncultured nitrosococcus sp. | species | 2 | 0 |
| oman | | rheinheimera aquimaris | species | 1 | 0 |
| pakistan | | rheinheimera sp. | species | 1 | 0 |
| pakistan | islamabad capital territory | rheinheimera sp. nccp-1794 | species | 1 | 0 |
| philippines | | chromatiaceae bacterium 2141t.stbd.0c.01a | species | 2 | 0 |
| philippines | | rheinheimera baltica | species | 3 | 0 |
| philippines | | rheinheimera sp. rei_85 | species | 1 | 0 |
| philippines | | uncultured rheinheimera sp. | species | 5 | 0 |
| poland | | rheinheimera aquimaris | species | 2 | 0 |
| poland | | uncultured nitrosococcus sp. | species | 1 | 0 |
| portugal | acores autonomous region | rheinheimera sp. ssa547 | species | 1 | 0 |
| portugal | santarem district | rheinheimera sp. ps1(2010) | species | 1 | 0 |
| portugal | santarem district | rheinheimera sp. ps23(2010) | species | 1 | 0 |
| portugal | santarem district | rheinheimera sp. ps39(2010) | species | 1 | 0 |
| russia | | thiocapsa rosea | species | 1 | 0 |
| russia | | uncultured chromatium sp. | species | 1 | 0 |
| russia | | uncultured thiocystis sp. | species | 1 | 0 |
| russia | buryatia republic | thiocapsa rosea | species | 1 | 0 |
| russia | buryatia republic | thiocapsa sp. | species | 10 | 0 |
| russia | irkutsk oblast | rheinheimera sp. k18 | species | 7 | 0 |
| russia | karelia republic | thiorhodococcus mannitoliphagus | species | 2 | 0 |
| russia | khakassia republic | halochromatium | genus | 0 | 1 |
| russia | khakassia republic | rheinheimera sp. shira 15-11-03 | species | 1 | 0 |
| russia | khakassia republic | thiocapsa | genus | 0 | 1 |
| serbia | | rheinheimera sp. | species | 1 | 0 |
| singapore | | rheinheimera aquatica | species | 4 | 0 |
| singapore | | uncultured rheinheimera sp. | species | 2 | 0 |
| slovakia | | rheinheimera sp. lb10-g-11-28-s-w | species | 1 | 0 |
| slovakia | | rheinheimera sp. lb10-g-34-28-s-w | species | 1 | 0 |
| slovakia | | rheinheimera sp. lb10-g-58-28-s-d | species | 1 | 0 |
| slovakia | | rheinheimera sp. lb10-g-62-28-s-w | species | 1 | 0 |
| slovakia | | uncultured rheinheimera sp. | species | 2 | 0 |
| south africa | | rheinheimera sp. e4ipc-4712 | species | 1 | 0 |
| south africa | eastern cape province | rheinheimera sp. | species | 1 | 0 |
| south korea | | rheinheimera aestuari | species | 2 | 0 |
| south korea | | rheinheimera arenilitoris | species | 3 | 0 |
| south korea | | rheinheimera soli | species | 1 | 0 |
| south korea | | rheinheimera sp. | species | 2 | 0 |
| south korea | | rheinheimera sp. h26 | species | 2 | 0 |
| south korea | | rheinheimera sp. hmd2008 | species | 1 | 0 |
| south korea | | rheinheimera sp. hmd2012 | species | 1 | 0 |
| south korea | | rheinheimera sp. mih20 | species | 1 | 0 |
| south korea | | rheinheimera sp. thg-ls118 | species | 1 | 0 |
| south korea | south jeolla province | rheinheimera sp. w-130-23 | species | 1 | 0 |
| south korea | south jeolla province | rheinheimera sp. w-130-25 | species | 2 | 0 |
| spain | | rheinheimera pacifica | species | 1 | 0 |
| spain | | rheinheimera sp. a1a-3 | species | 1 | 0 |
| spain | | rheinheimera sp. a1a-7 | species | 1 | 0 |
| spain | | rheinheimera sp. a1ac-3 | species | 1 | 0 |
| spain | | rheinheimera tangshanensis | species | 1 | 0 |
| spain | | uncultured marichromatium sp. | species | 1 | 0 |
| spain | | uncultured nitrosococcus sp. | species | 3 | 0 |
| spain | | uncultured thiohalocapsa sp. | species | 1 | 0 |
| spain | castilla-la mancha | uncultured chromatiaceae bacterium | species | 5 | 0 |
| spain | catalonia | chromatium | genus | 0 | 1 |
| spain | catalonia | lamprocystis | genus | 0 | 1 |
| spain | madrid | uncultured chromatiaceae bacterium | species | 6 | 0 |
| sweden | | uncultured rheinheimera sp. | species | 4 | 0 |
| switzerland | basel-stadt region | candidatus thiodictyon syntrophicum str. cad16 | species | 1 | 0 |
| switzerland | basel-stadt region | chromatiaceae bacterium 453h-1 | species | 1 | 0 |
| switzerland | basel-stadt region | chromatiaceae bacterium f8 | species | 1 | 0 |
| switzerland | basel-stadt region | chromatium okenii | species | 1 | 0 |
| switzerland | basel-stadt region | lamprocystis purpurea | species | 2 | 0 |
| switzerland | basel-stadt region | lamprocystis sp. d21 | species | 1 | 0 |
| switzerland | basel-stadt region | thiocystis cadagnonensis | species | 1 | 0 |
| switzerland | basel-stadt region | thiocystis chemoclinalis | species | 1 | 0 |
| switzerland | ticino region | candidatus thiodictyon syntrophicum | species | 6 | 0 |
| switzerland | ticino region | chromatium okenii | species | 279 | 0 |
| taiwan | | rheinheimera sp. | species | 1 | 0 |
| tajikistan | | rheinheimera soli | species | 1 | 0 |
| thailand | | rheinheimera aquimaris | species | 1 | 0 |
| tunisia | | uncultured halochromatium sp. | species | 1 | 0 |
| tunisia | | uncultured marichromatium sp. | species | 1 | 0 |
| tunisia | | uncultured thiohalocapsa sp. | species | 1 | 0 |
| turkey | | uncultured rheinheimera sp. | species | 1 | 0 |
| united kingdom | scotland | thiocystis violacea | species | 295 | 0 |
| united states | | curacaobacter sp. lm3605 | species | 1 | 0 |
| united states | | rheinheimera sp. 1-csumb | species | 1 | 0 |
| united states | | thermochromatium tepidum | species | 1 | 0 |
| united states | | uncultured chromatiaceae bacterium | species | 2 | 0 |
| united states | | uncultured halochromatium sp. | species | 1 | 0 |
| united states | | uncultured thioflavicoccus sp. | species | 2 | 0 |
| united states | alaska | uncultured rheinheimera sp. | species | 1 | 0 |
| united states | california | chromatium | genus | 0 | 1 |
| united states | california | nitrosococcus | genus | 0 | 1 |
| united states | california | thermochromatium tepidum atcc 43061 | no rank | 2 | 0 |
| united states | california | uncultured rheinheimera sp. | species | 2 | 0 |
| united states | district of columbia | candidatus tenderia electrophaga | species | 2 | 0 |
| united states | florida | thiococcus pfennigii | species | 416 | 0 |
| united states | florida | uncultured marichromatium sp. | species | 1 | 0 |
| united states | florida | uncultured rheinheimera sp. | species | 1 | 0 |
| united states | georgia | uncultured chromatiaceae bacterium | species | 12 | 0 |
| united states | georgia | uncultured rheinheimera sp. | species | 4 | 0 |
| united states | georgia | uncultured thiorhodovibrio sp. | species | 1 | 0 |
| united states | hawaii | rheinheimera sp. kh87 | species | 9 | 0 |
| united states | hawaii | uncultured chromatiaceae bacterium | species | 3 | 0 |
| united states | louisiana | rheinheimera sp. man10 | species | 1 | 0 |
| united states | massachusetts | marichromatium gracile | species | 448 | 0 |
| united states | massachusetts | rhabdochromatium marinum | species | 218 | 0 |
| united states | massachusetts | thiococcus pfennigii | species | 182 | 0 |
| united states | massachusetts | thioflavicoccus mobilis | species | 2 | 0 |
| united states | massachusetts | thioflavicoccus mobilis 8321 | no rank | 1 | 0 |
| united states | massachusetts | thiorhodococcus | genus | 0 | 1 |
| united states | massachusetts | uncultured chromatiaceae bacterium | species | 2 | 0 |
| united states | massachusetts | uncultured thiohalocapsa sp. pb-psb1 | species | 1325 | 0 |
| united states | michigan | chromatium | genus | 0 | 2 |
| united states | michigan | rheinheimera sp. | species | 1 | 0 |
| united states | michigan | thiocystis | genus | 0 | 2 |
| united states | minnesota | chromatium | genus | 0 | 1 |
| united states | minnesota | nitrosococcus halophilus | species | 1 | 0 |
| united states | minnesota | nitrosococcus halophilus nc 4 | no rank | 1 | 0 |
| united states | minnesota | nitrosococcus oceani | species | 4 | 0 |
| united states | nebraska | rheinheimera sp. 1001i | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 1001p | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 1002c | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 1002f | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 1003a | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 2001l | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 2001m | species | 1 | 0 |
| united states | nebraska | rheinheimera sp. 2001p | species | 1 | 0 |
| united states | north dakota | chromatium | genus | 0 | 1 |
| united states | north dakota | rheinheimera sp. nds_5-1 | species | 1 | 0 |
| united states | north dakota | thiocapsa | genus | 0 | 2 |
| united states | south carolina | uncultured chromatiaceae bacterium | species | 1 | 0 |
| united states | texas | rheinheimera texasensis dsm 17496 | no rank | 12 | 0 |
| united states | texas | uncultured chromatiaceae bacterium | species | 3 | 0 |
| united states | utah | uncultured chromatiaceae bacterium | species | 1 | 0 |
| united states | washington | thiocapsa | genus | 0 | 1 |
| united states | washington | thiocapsa imhoffii | species | 120 | 0 |
| united states | wisconsin | uncultured chromatiaceae bacterium | species | 27 | 0 |
| vietnam | | allochromatium sp. p7 | species | 1 | 0 |
| vietnam | | allochromatium sp. pn1 | species | 1 | 0 |