单词 | Pyramidellidae |
释义 | Pyramidellidaeplural noun Py·ram·i·del·li·dae : a large family of marine snails (suborder Taenioglossa) having a conical or turreted dextrally coiled shell but with the apical whorls or embryonic shell sinistrally coiled, a long retractile proboscis, and no radula |
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