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Color illustration of an ancient bivalve.
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Elevator Rudists

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A sea butterfly, or sea snail, swims in the open ocean.
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A Swimming Snail

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Photo collage of six species of invertebrates.
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Invertebrates from the Gulf of Mexico

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an oyster shell on a beach
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Oyster Shell

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A screenshot from the video with oyster farmers in water.
Video

Farming Oysters Despite Acidic Seas

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A Pholas dactylus clam illustration.
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The Borer of Holes

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Rudist clams are mollusks that went extinct about 65 million years ago.
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Rudist Clams

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A close-up of tiny teeth on the common whelk's radula.
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A Snail's Rainbow Radula

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Two baby olive ridley sea turtles.
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Baby Sea Turtles in Jalisco, Mexico

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A pair of sea butterflies float in the Arctic ocean.
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A Pair of Sea Butterflies

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A longshoreman standing in front of a large pile of oyster shells on waterfront pier in Atlantic City in 1910.
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Counting Mountains of Oysters

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Pearl oysters create pearls when a hard particle is coated with calcium carbonate (nacre) after entering the oyster.
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Pearls of Wisdom

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