A fossil echinoderm; a fossil sea urchin.
| 单词 | θ33356 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > member of (20) echinite1750 A fossil echinoderm; a fossil sea urchin. echinoderm1813 An animal of the phylum Echinodermata (or Echinoderma). Subcategories:— parts of (18) |
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