The region is rich in sea life, with more than 4,000 species of marine molluscs.
There are more than 4,000 species of marine molluscs.
It is a medium sized marine mollusc up to 5.0 cm in length.
Shells from marine and freshwater molluscs often provide evidence of the food eaten by inhabitants.
It is a marine mollusc in the family Pectinidae.
It is a species of mussel and a marine bivalve mollusc.
It is a marine gastropod mollusc in the family Tritoniidae.
This is a marine gastropod mollusc of the family Buccinidae.
These animals are marine gastropod molluscs in the family Dorididae.
Distribution of the marine molluscs of north west Europe.
