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

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 ...

Scientists devised a mathematic model that helps explains how Nipponites, some of the wonkiest ammonites, built their shells. By Sabrina Imbler If you’ve seen one ammonite, you may think you’ve seen ...

At the beach, take only pictures, leave only footprints and sandcastles. The mollusks have enough problems already. Sunrise falls on a lightning whelk on the beach at Sanibel Island in southwestern ...