| Carbonate mounds |
| Coral gardens |
| Deep-sea sponge aggregations |
| Intertidal Mytilus edulis beds on mixed and sandy sediments |
| Intertidal mudflats |
| Littoral chalk communities |
| Lophelia pertusa reefs |
| Maerl beds |
| Modiolus modiolus horse mussel beds |
| Oceanic ridges with hydrothermal vents/fields |
| Ostrea edulis beds |
| Sabellaria spinulosa reefs |
| Sea-pen and burrowing megafauna communities |
| Seamounts |
| Zostera beds |