a helical sponge spicule having two or more spiral turns.
| 单词 | θ31918 |
| 释义 | the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > of two or more revolutions in growth (1) polyspire1887 a helical sponge spicule having two or more spiral turns. |
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