Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Beachcombers know that seashells appear in an endless array of colors and shapes, and researchers have just discovered that this variation extends to the molecular level. In fact, each shell is as ...

What is a mollusk? -- What is a shell? -- Shell collecting -- Shell identification key -- The shells -- Chitons -- Bivalves -- Schaphopods -- Gastropods ...

Most seashells come from mollusks, a large group of marine animals, including clams, snails and oysters, which make shells as a protective covering. These shells are created from the outer surface of ...

Mollusks, from land snails and slugs to oysters and mussels in the sea, have a few things in common. They have a head. They have a soft middle part that holds their organs. Then, some have a muscle ...

Mollusks are fabulous architects. They build houses that protect their soft bodies from predators and the elements—shells of uncommon strength, durability and beauty. Many of these shells have ...