Charonia variegata, the pacific triton or Atlantic triton's trumpet, is a species of predatory sea snail, a marine gastropod mollusk in the family ...

Cassis cornuta, common name the horned helmet, is a species of extremely large sea snail, a marine gastropod mollusc in the family Cassidae, the h...

Large tonna oleria seashells are thin and very light weight. They're brown and white and make beautiful display shells. These mollusks feed mainly ...