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| sea urchins (Echinus spp); urchins (Strongylocentrotus spp.) | |||
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| sea urchin; urchin (Echinidae); sea urchin (Echinus spp.) | |||
| purple sea-urchin | |||
| purple-tipped sea-urchin (Psammechinus miliaris) | |||
| globe thistle (Echinops) | |||
| sea urchin (Echinus echinus) | |||
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| echinoderms | |||
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| sea urchins | |||
| French thesaurus | |||
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| morski jež | |||
| oursins: 30 phrases in 5 subjects |
| Fish farming pisciculture | 1 |
| General | 4 |
| Ichthyology | 12 |
| Life sciences | 2 |
| Natural resourses and wildlife conservation | 11 |