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Explore 3 published pages tagged with Echinoderms, grouped automatically from article text, entity focus, and recurring topical signals.
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marine-life
Sand dollars are marine animals in the order Clypeasteroida that live on shallow seafloors across temperate and tropical oceans. Their purpose in nature is to consume organic pa...
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When you crack a sand dollar open, the inside reveals a petaloid (flowerlike) pattern of grooves arranged in rings, a central row of pores, and a distinct lunule if the test is...
Open articleMarine Zoology
A sand dollar is a flat, burrowing sea urchin in the order Clypeasteroida, well known for its rigid, white test that washes up on beaches. Unlike many shallow-water urchins, san...
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