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#turban shell #sea snail #marine snail #ocean shell #gastropod #turbinidae #mollusk shell

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#snail house crab #hermit crab #shell dwelling crab #borrowed home #mollusk shell

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#white shell #square white #beach find #mollusk shell #white item

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#shell lining #nacre #oyster interior #iridescent layer #mollusk shell

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#chambered nautilus #shell chambers #sequential growth #marine structure #buoyancy control #mollusk shell #stepped chambers