| antarctica | | hahella antarctica | species | 3 | 0 |
| bahamas | | endozoicomonas gorgoniicola | species | 2 | 0 |
| bahamas | | uncultured hahellaceae bacterium | species | 4 | 0 |
| bahamas | bimini district | endozoicomonas euniceicola | species | 0 | 1 |
| bahamas | bimini district | endozoicomonas montiporae | species | 0 | 1 |
| bahamas | san salvador district | endozoicomonas sp. | species | 1 | 0 |
| bahamas | san salvador district | hahellaceae bacterium | species | 3 | 0 |
| brazil | | endozoicomonas sp. cbmai 1097 | species | 1 | 0 |
| brazil | sao paulo | endozoicomonas sp. | species | 4 | 0 |
| china | | allohahella marinimesophila | species | 2 | 0 |
| china | | endozoicomonas sp. | species | 1 | 0 |
| china | | hahella sp. ka22 | species | 1 | 0 |
| china | fujian | hahella sp. ka22 | species | 6015 | 0 |
| china | shandong | endozoicomonas elysicola | species | 1 | 0 |
| croatia | | uncultured endozoicomonas sp. | species | 7 | 0 |
| france | | uncultured endozoicomonas sp. | species | 6 | 0 |
| germany | | endozoicomonas sp. | species | 1 | 0 |
| india | | endozoicomonas numazuensis | species | 1 | 0 |
| india | | hahella sp. mp1013 | species | 1 | 0 |
| india | | zooshikella sp. pigb169 | species | 1 | 0 |
| japan | | endozoicomonas elysicola dsm 22380 | no rank | 31 | 0 |
| japan | nagasaki prefecture | hahella | genus | 0 | 1 |
| japan | okinawa prefecture | endozoicomonas sp. | species | 1 | 0 |
| japan | okinawa prefecture | uncultured endozoicomonas sp. | species | 39 | 0 |
| japan | shizuoka prefecture | endozoicomonas numazuensis | species | 139 | 0 |
| japan | shizuoka prefecture | endozoicomonas numazuensis | species | 1 | 0 |
| kuwait | | zooshikella ganghwensis | species | 1 | 0 |
| malaysia | | endozoicomonas sp. | species | 5 | 0 |
| malaysia | perak | hahella sp. ccb-mm4 | species | 324 | 0 |
| malaysia | selangor | zooshikella sp. sdpm1 | species | 1 | 0 |
| mexico | | uncultured hahellaceae bacterium | species | 1 | 0 |
| portugal | | endozoicomonas sp. | species | 1 | 0 |
| portugal | | hahellaceae bacterium poly-s6 | species | 1 | 0 |
| south korea | | endozoicomonas atrinae | species | 2 | 0 |
| south korea | | hahella chejuensis | species | 1 | 0 |
| south korea | | hahella ganghwensis dsm 17046 | no rank | 144 | 0 |
| south korea | | kistimonas scapharcae | species | 1 | 0 |
| south korea | | zooshikella ganghwensis | species | 2 | 0 |
| south korea | | zooshikella ganghwensis dsm 15267 | no rank | 414 | 0 |
| spain | | uncultured endozoicomonas sp. | species | 1 | 0 |
| spain | andalusia | uncultured endozoicomonas sp. | species | 1 | 0 |
| sweden | | endozoicomonas ascidiicola | species | 144 | 0 |
| sweden | | endozoicomonas sp. av501501 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av501502 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av501503 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av50rt01 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av50rt02 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av50rt03 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av50rt04 | species | 1 | 0 |
| sweden | | endozoicomonas sp. av50rt05 | species | 1 | 0 |
| sweden | | endozoicomonas sp. avma1003 | species | 1 | 0 |
| sweden | | endozoicomonas sp. avma1005 | species | 1 | 0 |
| sweden | | endozoicomonas sp. avma1501 | species | 1 | 0 |
| sweden | | endozoicomonas sp. avmart01 | species | 1 | 0 |
| taiwan | | endozoicomonas | genus | 0 | 1 |
| taiwan | | endozoicomonas atrinae | species | 0 | 1 |
| taiwan | | endozoicomonas elysicola | species | 0 | 1 |
| taiwan | | endozoicomonas montiporae | species | 0 | 1 |
| taiwan | | endozoicomonas montiporae cl-33 | species | 1 | 0 |
| taiwan | | endozoicomonas sp. acr-14 | species | 620 | 0 |
| taiwan | | hahellaceae bacterium | species | 9 | 0 |
| thailand | | hahella chejuensis | species | 4 | 0 |
| united states | | endozoicomonas euniceicola | species | 1 | 0 |
| united states | | endozoicomonas sp. | species | 5 | 0 |
| united states | | hahella sp. c1 | species | 1 | 0 |
| united states | | hahella sp. jdc17 | species | 1 | 0 |
| united states | | uncultured endozoicomonas sp. | species | 3 | 0 |
| united states | florida | endozoicomonas euniceicola | species | 1 | 1 |
| united states | florida | endozoicomonas gorgoniicola | species | 1 | 0 |
| united states | florida | endozoicomonas montiporae | species | 0 | 1 |
| united states | florida | uncultured endozoicomonas sp. | species | 38 | 0 |
| united states | florida | uncultured hahellaceae bacterium | species | 11 | 0 |
| united states | north carolina | endozoicomonas sp. (ex bugula neritina ab1) | species | 273 | 0 |