A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea. Most seashells are made by mollusks , such as snails , clams , and oysters to protect their soft insides. [ 1 ]

Sep 3, 2024 · When walking along any beach in your country, you can find countless sea shells and conches, each more beautiful than the last. Here we'll give you some very common examples, and then begin discussing more exotic specimens. You'll learn about the different types and see photos to help differentiate them.

Ultimate guide to identifying shells. Pictures and cool facts for 63 amazing shells, including rare shells, huge shells, and a deadly shell.

Oct 23, 2006 · Seashells are the exoskeletons of mollusks such as snails, clams, oysters and many others. Such shells have three distinct layers and are composed mostly of calcium carbonate with only a small...

seashell, hard exoskeleton of marine mollusks such as snails, bivalves, and chitons that serves to protect and support their bodies. It is composed largely of calcium carbonate secreted by the mantle, a skinlike tissue in the mollusk’s body wall.

Seashells are fascinating treasures of the sea, each with its own unique characteristics and adaptations. From the hinged shells of bivalves to the spiral shells of gastropods, the world of seashells is diverse and captivating.

Jun 5, 2017 · A seashell is a hard, protective exoskeleton formed by invertebrate animals who live in the sea and are often found washed up on beaches throughout the world. The most common animals which produce a seashell are mollusks, crabs, oysters, barnacles, brachiopods, annelid worms, and sea urchins.