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  1. Seashell - Wikipedia

  2. British seashell guide: how to identify and where to find

  3. Seashell | Definition, Types, & Facts | Britannica

  4. Seashells expert guide: what are they, where do they come from, …

  5. How are seashells created? Or any other shell, such as a snail's or …

  6. Where Do Seashells Come From? - Ocean Conservancy

  7. How are seashells made? - Woods Hole Oceanographic Institution

  8. The Story Behind the Seashells By the Seashore | Smithsonian

  9. Seashell - Formation, Type and Quiz | Biology Dictionary

  10. The beautiful, intricate world of seashells - BBC Science Focus …