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| sea urchin (Echinus spp.) | |||
| stony sea urchin (Paracentrotus lividus, Strongylocentrotus lividus) | |||
| sea urchins (Echinus spp) | |||
| purple sea urchin (Paracentrotus lividus(Lamarck,1816), Strongylocentrotus lividus) | |||
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| sea urchins (Echinidae) | |||
| zee-egel: 1 短语, 1 学科 |
| 生命科学 | 1 |