Zoology. A keyhole urchin or sand dollar of the West African genus Rotula (order Clypeasteroida), having a round, flattened test with deep notches…
| 单词 | θ33457 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > miscellaneous types > genus rotula (1) rotula1753 Zoology. A keyhole urchin or sand dollar of the West African genus Rotula (order Clypeasteroida), having a round, flattened test with deep notches… |
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