| italy | | uncultured epulopiscium sp. | species | 2 | 0 |
| mexico | yucatan | uncultured epulopiscium sp. | species | 3 | 0 |
| saudi arabia | | uncultured epulopiscium sp. | species | 71 | 0 |
| south africa | | uncultured epulopiscium sp. | species | 3 | 0 |
| united states | | uncultured epulopiscium sp. | species | 1 | 0 |