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stony sea urchin (Paracentrotus lividus, Strongylocentrotus lividus); purple sea urchin (Paracentrotus lividus(Lamarck,1816), Strongylocentrotus lividus) | |||
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purple sea urchin (Strongylocentrotus lividus); stony sea urchin (Strongylocentrotus lividus) | |||
stony sea-urchin (Paracentrotus lividus, Strongylocentrus lividus) | |||
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stony sea urchin | |||
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stony sea-urchin |