Sediment texture is detailed in panel 6, a polychaete worm is evident in panel 7, and panel 8 shows " Echinocardium " ( heart urchin ) shell fragments in silt matrix.
2.
In the sublittoral zones of the bay lives the burrowing urchin " Echinocardium cordatum " whose hairy shells regularly turn up on the shores, seagrass " Zostera marina " and oysters " Ostrea edulis ".
3.
At low tide, sandy areas are exposed between the rocks and these support a fauna characteristic of sediment shores including Common starfish " Asterias rubens " and burrowing animals such as the Razor shell " Ensis arcuata ", the Thin tellin " Tellina fabula " and the Sea potato " Echinocardium cordatum ".
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