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Fertilised edible sea urchin eggs - 30 hours old
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Edible sea urchin gastrulal, 40 hours old
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Early stage edible sea urchin - 8 armed pluteus with early echinus rudiment
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Edible sea urchin on laminaria bed
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Edible sea urchin
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Edible sea urchins
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Edible sea urchins
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Edible sea urchin's aristotle's lantern
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Edible sea urchin mouth parts - also known as aristotle's lantern
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Edible sea urchin with mouth visible
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Spines, tube feet and pedicellariae of edible sea urchin
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Tube feet of edible sea urchin attached to rock
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Edible sea urchin
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Edible sea urchin, tube feet visible
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Edible sea urchins on sea floor with tub feet extended
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Edible sea urchin showing the variety of its spines
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Close up of edible sea urchin spines
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Edible sea urchin
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Edible sea urchin
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Edible sea urchin
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Colony of edible sea urchins feeding on algae
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Edible sea urchin stranded above water
