这只有着漂亮大理石外壳的锥形蜗牛，像这里提到的动物一样，也是致命的。

This little beautiful looking Marbled Cone snail can be as deadly as any other animal on this list.

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它们有着黑色的外壳，它们会像公鸡一样啼叫!

They had black crusts and they crowed like roosters!

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像海星一样，海百合也有五条或者更多条长腕，还有一个由钙化层整齐排列在一起的外壳。

Like their sea star cousins, crinoids have five or more arms and askeleton constructed of calcified plates elaborately slotted together.

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