Residents of Shell Ridge organized a community cleanup day last Saturday.

While walking along the estuary, I found an intact otter shell partially buried in the mud.

The auditors discovered that the new offshore shell corporation had no employees or operations.

Investigators uncovered a network of shell corporations used to launder money.

The research vessel slowed as scientists photographed a patch of shell ice, noting the hollow cavity beneath the frozen surface.

While snorkeling, she was thrilled to find a worm-shell glued to the underside of a rock, its coiled tube sheltering a tiny sea snail.

The malacologist identified the damaged bubble shell as belonging to the genus Bulla.

The marine biologist carefully documented a rare tongue-shell burrowed in the muddy flats.

The patrol fired a star shell to illuminate the enemy positions before the night assault.

After due diligence, the board confirmed the company was a clean shell, a legal entity demonstrably free of liabilities, suitable for the merger.