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The Artful Amoeba

Take This Shell and Shove It: The Mollusk That Became a Worm

aplacophoran_noaa_pd_200

When you think of a mollusk, you probably have something shelled, slimy, and possibly stalk-eyed in mind. But mollusks include creatures that are none of these things. In fact, there are mollusks that are wormy, be-spined, and eyeless. They are called aplacophorans, and scientists have long puzzled over their place in the mollusk family tree. [...]

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