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A collection of fossil shells from marine snails and clams is challenging a theory that says the world’s deadliest mass extinction was accompanied by severe ocean acidification. Instead of showing ...

The striking purple sea snail (Janthina) found after washing up on a beach in La Jolla, California. (Image: Natural History Museum) A rare purple Janthina sea snail washed up on La Jolla beach, ...

Some marine snails soar through the water by flapping their squidgy appendages to and fro, similar to butterfly wings — now, scientists have discovered that the shape of the snails' shells also helps ...

Sea shells are abundant on the New Jersey shores. There are the black ridged scallop shells that look like accordion fans, the pretty and delicate spiral shells that come in various patterns and ...

The ocean is a many splendored thing, and some of its rarer splendors recently washed up on the beaches of San Diego. The Janthina sea snail, a pretty purple little thing, is a rare species that’s ...