Most marine animals form their shells from calcium carbonate, which is a tough mineral also found in limestone. Some sponges ...

Seashells are the abandoned exoskeletons of mollusks, like snails and clams. Numerous seashell varieties, including ark shells, scallops and conchs, can be found on Corpus Christi beaches, ...

It's always a good time to hunt for shells in Southwest Florida. But with snowbird and tourist season just underway, we thought it would be a good idea to inspire shelling enthusiasts with a list of ...