"The scope of this book is the stretch of coast-line from Labrador to cape Hatteras and inland to the Mississippi river."--Pref. siris_sil_240304 ...

All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate, which ...

What is a mollusk? -- What is a shell? -- Shell collecting -- Shell identification key -- The shells -- Chitons -- Bivalves -- Schaphopods -- Gastropods -- Cephalopods ...

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At first sight, the moon clam may not look like a contender for stardom. Its size is humble, its color pale. Most shocking of all, for a clam, its shells can’t even close. But this oddball of the ...

Healthy corals are colorful and full of life. And under normal conditions, corals and algae depend on one another. The corals offer the algae protection and the photosynthesizing algae provide the ...

Scientists devised a mathematic model that helps explains how Nipponites, some of the wonkiest ammonites, built their shells. By Sabrina Imbler If you’ve seen one ammonite, you may think you’ve seen ...

You can see it in the logarithmic whorl of a nautilus. The milky iridescence of an abalone. The spiked turret of a queen conch. Precision, elegance, strength. The seashell is a consonance of form and ...