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I'm not exactly sure what this is. It could be some type of gastropod shell, or it could be the calcified tunnel of a polychaete worm. I found it washed up on the beach.
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I'm not exactly sure what this is. It could be some type of gastropod shell, or it could be the calcified tunnel of a polychaete worm. I found it washed up on the beach.
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I'm not exactly sure what this is. It could be some type of gastropod shell, or it could be the calcified tunnel of a polychaete worm. I found it washed up on the beach.
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Found washed up on the beach.
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Found washed up on the beach.
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Washed up in a rock pool.
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Randomly coiled shell, often changing direction several times, lacks the coloration notable in T. aotearoicus.