1. Mediterranean Cowry (Cypraea lurida): A small, glossy seashell with a distinctive humped back and an opening at one end. It is usually pale brown or beige with white spots.
2. Common Periwinkle (Littorina littorea): A small, spiral-shaped seashell with a pointed top. It is usually dark brown or black with yellow or orange stripes.
3. Dogwhelk (Nucella lapillus): A small to medium-sized, spiral-shaped seashell with a thick shell and a rough surface. It is usually brown or gray with darker markings.
4. European Flat Oyster (Ostrea edulis): A large, flat seashell with a rough surface. It is usually white or gray with brown or black markings.
5. Common Limpet (Patella vulgata): A small, conical-shaped seashell with a flattened base. It is usually dark brown or black with a lighter-colored interior.
6. Mediterranean Fan Mussel (Pinna nobilis): A large, wedge-shaped seashell with a fan-shaped structure at the back. It is usually dark brown or black with lighter-colored markings.
7. Common Mussel (Mytilus galloprovincialis): A medium-sized, oval-shaped seashell with a smooth surface. It is usually dark blue or black with lighter-colored stripes.
8. Noble Pen Shell (Pinna nobilis): A large, fan-shaped seashell with a smooth surface. It is usually brown or reddish-brown with lighter-colored markings.
9. Spiny Cockle (Acanthocardia tuberculata): A medium-sized, oval-shaped seashell with a rough surface and spiky protrusions. It is usually white or gray with brown or orange markings.
10. Common Octopus Shell (Octopus vulgaris): A small to medium-sized, spiral-shaped seashell with a rough surface. It is usually brown or gray with darker markings.