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 [1]. Most seashells are made by mollusks, such as …

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, …

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 …

May 25, 2025 · Easy Shell Identification: discover 18 seashell kinds, key features, tips, and fascinating facts to help collectors identify marine treasures easily.

Oct 12, 2023 · Seashells are made of calcium carbonate. When you see a seashell by the seashore, you are seeing the empty shell of an animal that has died. The body that used to live inside the shell, …

Seashells are the hard, protective exoskeletons of marine mollusks like snails, clams, scallops, and whelks—ocean-dwelling creatures that build and live in their shells for protection and support.

Jun 22, 2022 · Constructed by everything from sea snails to scallops, seashells are beautiful biological treasures that contain hints of the marine environments they came from. As a result, seashells are...

Aug 24, 2025 · A seashell is a hard, protective outer layer primarily produced by marine invertebrates, most commonly mollusks. These include familiar creatures like snails, clams, and oysters.

Nov 10, 2025 · The familiar sight of a seashell on the beach represents the final chapter of a biological process and a long journey through the ocean. These natural structures are the hardened …

Most shells come from soft-bodied mollusks. Snails, clams, oysters, and others need the hard protection of their shells. This tough outer covering protects the tasty body hiding inside. Other animals, such as …