| italy | sicily autonomous region | uncultured candidatus thalassoarchaea euryarchaeote | species | 1 | 0 |
| spain | valencia | candidatus thalassoarchaea marina | species | 1 | 0 |
| spain | valencia | candidatus thalassoarchaea mediterranii | species | 1 | 0 |
| spain | valencia | uncultured candidatus thalassoarchaea euryarchaeote | species | 109 | 0 |