| antarctica | | robiginitomaculum antarcticum | species | 1 | 0 |
| antarctica | | robiginitomaculum antarcticum dsm 21748 | no rank | 5 | 0 |
| antarctica | | uncultured algimonas sp. | species | 1 | 0 |
| antarctica | | uncultured robiginitomaculum sp. | species | 1 | 0 |
| australia | queensland | hyphomonadaceae bacterium uba2389 | species | 1 | 0 |
| australia | queensland | uncultured hyphomonas sp. | species | 1 | 0 |
| australia | queensland | uncultured maricaulis sp. | species | 1 | 0 |
| australia | western australia | uncultured hyphomonas sp. | species | 2 | 0 |
| australia | western australia | uncultured oceanicaulis sp. | species | 1 | 0 |
| brazil | | uncultured hirschia sp. | species | 1 | 0 |
| brazil | | uncultured maricaulis sp. | species | 1 | 0 |
| canada | alberta | glycocaulis sp. | species | 1 | 0 |
| canada | alberta | oceanicaulis sp. | species | 3 | 0 |
| canada | british columbia | alpha proteobacterium ml37 | species | 1 | 0 |
| canada | ontario | hyphomonas sp. 32-62-5 | species | 1152 | 0 |
| canada | ontario | hyphomonas sp. 34-62-18 | species | 525 | 0 |
| china | | glycocaulis alkaliphilus | species | 2 | 0 |
| china | | glycocaulis sp. | species | 1 | 0 |
| china | | henriciella sp. | species | 1 | 0 |
| china | | henriciella sp. zyfb017 | species | 1 | 0 |
| china | | hyphomonadaceae bacterium | species | 1 | 0 |
| china | | hyphomonas polymorpha | species | 5 | 0 |
| china | | hyphomonas sp. | species | 9 | 0 |
| china | | hyphomonas sp. cy54-11-8 | species | 78 | 0 |
| china | | hyphomonas sp. l-53-1-40 | species | 44 | 0 |
| china | | hyphomonas sp. zyfb039 | species | 1 | 0 |
| china | | litorimonas sp. | species | 2 | 0 |
| china | | maricaulis sp. ycsa69 | species | 1 | 0 |
| china | | maricaulis sp. zyfb005 | species | 1 | 0 |
| china | | marinicauda pacifica | species | 274 | 0 |
| china | | oceanicaulis sp. | species | 4 | 0 |
| china | | oceanicaulis sp. zyfb036 | species | 1 | 0 |
| china | | ponticaulis sp. | species | 1 | 0 |
| china | | thalassorhabdomicrobium marinisediminis | species | 78 | 0 |
| china | | uncultured hirschia sp. | species | 2 | 0 |
| china | | uncultured hyphomonadaceae bacterium | species | 10 | 0 |
| china | | uncultured hyphomonas sp. | species | 15 | 0 |
| china | | uncultured maricaulis sp. | species | 1 | 0 |
| china | | uncultured oceanicaulis sp. | species | 1 | 0 |
| china | hubei | uncultured hyphomonas sp. | species | 1 | 0 |
| china | hunan | uncultured hyphomonas sp. | species | 2 | 0 |
| china | inner mongolia | hyphomonadaceae bacterium | species | 1 | 0 |
| china | jiangsu | hyphomonadaceae bacterium | species | 6 | 0 |
| china | jiangsu | maricaulis sp. | species | 1 | 0 |
| china | shandong | hyphomonas sp. slg210a2-1-1 | species | 1 | 0 |
| china | shandong | hyphomonas sp. slg210b1-1-1 | species | 1 | 0 |
| china | shandong | maricaulis sp. ycsa69 | species | 1 | 0 |
| china | shandong | oceanicaulis sp. slg210b1-1 | species | 1 | 0 |
| china | sichuan | uncultured hyphomonas sp. | species | 3 | 0 |
| china | xinjiang | hyphomonas | genus | 0 | 1 |
| china | xinjiang | uncultured hyphomonas sp. | species | 3 | 0 |
| colombia | | uncultured hyphomonadaceae bacterium | species | 1 | 0 |
| czech republic | | hyphomonas sp. | species | 2 | 0 |
| denmark | region of southern denmark | hyphomonadaceae bacterium uba1595 | species | 1 | 0 |
| denmark | region of southern denmark | hyphomonadaceae bacterium uba1933 | species | 1 | 0 |
| denmark | region of southern denmark | hyphomonadaceae bacterium uba1942 | species | 1 | 0 |
| finland | satakunta region | hyphomonas sp. | species | 1 | 0 |
| france | | hyphomonas polymorpha ps728 | no rank | 144 | 0 |
| germany | | oceanicaulis sp. | species | 1 | 0 |
| germany | | uncultured hyphomonas sp. | species | 2 | 0 |
| germany | | uncultured maricaulis sp. | species | 2 | 0 |
| germany | lower saxony | hyphomonadaceae bacterium | species | 2 | 0 |
| greece | | glycocaulis abyssi | species | 2 | 0 |
| greenland | | hyphomonadaceae bacterium | species | 1 | 0 |
| hong kong | | hyphomonadaceae bacterium | species | 2 | 0 |
| iceland | | uncultured oceanicaulis sp. | species | 1 | 0 |
| india | | uncultured hyphomonadaceae bacterium | species | 3 | 0 |
| india | | uncultured hyphomonas sp. | species | 2 | 0 |
| india | kerala | uncultured hyphomonas sp. | species | 1 | 0 |
| indonesia | | uncultured hellea sp. | species | 1 | 0 |
| ireland | | uncultured hyphomonas sp. | species | 1 | 0 |
| israel | | oceanicaulis sp. eil42a08 | species | 1 | 0 |
| italy | | oceanicaulis sp. na33b04 | species | 1 | 0 |
| italy | | uncultured hellea sp. | species | 3 | 0 |
| italy | | uncultured hirschia sp. | species | 2 | 0 |
| italy | | uncultured hyphomonadaceae bacterium | species | 21 | 0 |
| italy | | uncultured maricaulis sp. | species | 1 | 0 |
| italy | | uncultured oceanicaulis sp. | species | 1 | 0 |
| italy | | uncultured robiginitomaculum sp. | species | 2 | 0 |
| italy | campania region | oceanicaulis alexandrii | species | 1 | 0 |
| japan | niigata prefecture | hyphomonas sp. oc5 | species | 2 | 0 |
| japan | shizuoka prefecture | hyphomonadaceae bacterium namaf001 | species | 1 | 0 |
| kiribati | | glycocaulis sp. l21-pye-c6 | species | 1 | 0 |
| kuwait | | uncultured hyphomonas sp. | species | 15 | 0 |
| kuwait | | uncultured maricaulis sp. | species | 3 | 0 |
| kuwait | | uncultured ponticaulis sp. | species | 1 | 0 |
| mexico | | uncultured hirschia sp. | species | 3 | 0 |
| mexico | | uncultured hyphomonadaceae bacterium | species | 2 | 0 |
| mexico | | uncultured hyphomonas sp. | species | 16 | 0 |
| mexico | coahuila zaragoza | uncultured hyphomonadaceae bacterium | species | 2 | 0 |
| netherlands | | hyphomonadaceae bacterium | species | 1 | 0 |
| nigeria | | uncultured hyphomonas sp. | species | 2 | 0 |
| philippines | | uncultured maricaulis sp. | species | 1 | 0 |
| portugal | | oceanicaulis sp. | species | 1 | 0 |
| portugal | acores autonomous region | hyphomonas jannaschiana | species | 1 | 0 |
| portugal | acores autonomous region | hyphomonas johnsonii | species | 7 | 0 |
| portugal | acores autonomous region | hyphomonas oceanitis | species | 2 | 0 |
| portugal | acores autonomous region | hyphomonas sp. vsw312 | species | 1 | 0 |
| puerto rico | | hyphomonas | genus | 0 | 1 |
| qatar | | glycocaulis albus | species | 1 | 0 |
| saudi arabia | | hyphomonadaceae bacterium bac120r | species | 1 | 0 |
| south korea | | fretibacter rubidus | species | 1 | 0 |
| south korea | | henriciella litoralis | species | 1 | 0 |
| south korea | | henriciella marina | species | 1 | 0 |
| south korea | | hirschia litorea | species | 2 | 0 |
| south korea | | hirschia maritima dsm 19733 | species | 11 | 0 |
| south korea | | litorimonas taeanensis | species | 1 | 0 |
| south korea | | marinicauda algicola | species | 256 | 0 |
| south korea | | ponticaulis koreensis dsm 19734 | species | 7 | 0 |
| south korea | | ponticaulis sp. | species | 1 | 0 |
| south korea | south jeolla province | hyphomonas sp. mk02 | species | 1 | 0 |
| south korea | south jeolla province | hyphomonas sp. mk06 | species | 1 | 0 |
| south korea | south jeolla province | hyphomonas sp. mk08 | species | 1 | 0 |
| south korea | south jeolla province | marinicauda algicola | species | 65 | 0 |
| spain | | oceanicaulis alexandrii dsm 11625 | no rank | 5 | 0 |
| spain | | uncultured hirschia sp. | species | 4 | 0 |
| spain | | uncultured hyphomonadaceae bacterium | species | 3 | 0 |
| spain | | uncultured hyphomonas sp. | species | 2 | 0 |
| spain | | uncultured robiginitomaculum sp. | species | 1 | 0 |
| spain | andalusia | ponticaulis koreensis | species | 14 | 0 |
| spain | galicia | hyphomonadaceae bacterium af2 | species | 1 | 0 |
| spain | galicia | hyphomonadaceae bacterium sf1 | species | 1 | 0 |
| spain | galicia | hyphomonas sp. usc2 | species | 1 | 0 |
| spain | galicia | uncultured hyphomonadaceae bacterium | species | 1 | 0 |
| sweden | | uncultured hyphomonas sp. | species | 2 | 0 |
| taiwan | | oceanicaulis | genus | 0 | 1 |
| taiwan | | uncultured maricaulis sp. | species | 1 | 0 |
| thailand | | maricaulis virginensis | species | 1 | 0 |
| tunisia | | oceanicaulis sp. o1s1 | species | 1 | 0 |
| tunisia | bizerte governorate | oceanicaulis sp. mb-cz25 | species | 1 | 0 |
| tunisia | bizerte governorate | oceanicaulis sp. o1s1 | species | 1 | 0 |
| united kingdom | | hyphomonadaceae bacterium | species | 2 | 0 |
| united states | | hyphomonas adhaerens mhs-3 | no rank | 20 | 0 |
| united states | | hyphomonas johnsonii mhs-2 | no rank | 38 | 0 |
| united states | | oceanicaulis sp. bbd 1991-10 | species | 90 | 0 |
| united states | | uncultured hyphomonadaceae bacterium | species | 2 | 0 |
| united states | florida | hyphomonadaceae bacterium uba5334 | species | 1 | 0 |
| united states | florida | hyphomonadaceae bacterium uba5336 | species | 1 | 0 |
| united states | florida | hyphomonadaceae bacterium uba5341 | species | 1 | 0 |
| united states | florida | hyphomonadaceae bacterium uba7638 | species | 1 | 0 |
| united states | florida | uncultured hyphomonas sp. | species | 1 | 0 |
| united states | illinois | hyphomonas sp. | species | 2 | 0 |
| united states | maryland | hyphomonas | genus | 0 | 1 |
| united states | massachusetts | hyphomonadaceae bacterium | species | 5 | 0 |
| united states | massachusetts | oceanicaulis sp. | species | 2 | 0 |
| united states | michigan | hyphomonadaceae bacterium | species | 4 | 0 |
| united states | michigan | hyphomonas sp. | species | 2 | 0 |
| united states | new york | hyphomonas atlantica | species | 1 | 0 |
| united states | new york | hyphomonas sp. | species | 2 | 0 |
| united states | ohio | hyphomonadaceae bacterium | species | 484 | 0 |
| united states | oregon | hyphomonadaceae bacterium ukl13-1 | species | 1 | 0 |
| united states | washington | caulobacter sp. mcs18 | species | 1 | 0 |
| united states | washington | hyphomonas sp. uba4494 | species | 1 | 0 |
| united states | washington | litorimonas sp. | species | 1 | 0 |
| united states | washington | oceanicaulis sp. hl-87 | species | 1 | 0 |
| united states | washington | robiginitomaculum sp. | species | 1 | 0 |