| australia | queensland | uncultured neptuniibacter sp. | species | 43 | 0 |
| china | hunan | uncultured neptuniibacter sp. | species | 1 | 0 |
| mexico | yucatan | uncultured neptuniibacter sp. | species | 1 | 0 |
| united states | florida | uncultured neptuniibacter sp. | species | 3 | 0 |
| united states | south carolina | uncultured neptuniibacter sp. | species | 1 | 0 |