Marine mollusk shells that are familiar to beachcombers and thus most likely to be called "seashells" are the shells of marine species of bivalves (or clams), gastropods (or snails), …

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 …

Aug 24, 2025 · Seashells, often discovered along shorelines, captivate with their diverse shapes, intricate patterns, and appealing colors. This article explores what seashells are, how they are …

Jul 20, 2022 · Adorning bathroom shelves and windowsills, seashells are not only fond reminders of a visit to the sea, but they have many stories to tell about the animals that made them and …

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

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 …

Oct 12, 2023 · Where do seashells come from, how long have they lived and how are they made? Dive in to explore more on the fascinating world of seashells.

May 25, 2025 · In short, types of seashells give us a window into the amazing world of ocean life and are also beautiful treasures to keep. From the colorful Atlantic Cowrie to the special Apple …

Most seashells come from mollusks, a large group of marine animals including clams, mussels, and oysters, which exude shells as a protective covering. Shells are excreted from the outer …

Jul 1, 2025 · Discover the enchanting world of seashells with this in-depth guide! Explore various types, from spiral gastropods like the Nautilus to cone-shaped echinoids like the Horseshoe Crab.