不像乌贼，鹦鹉螺有保护壳。

Unlike squid, though, they had protective shells.

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黄色的部分则是鹦鹉螺牙齿的残留部分。

The yellow is the remains of the ammonite's teeth.

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这幅图片向我们展示了一枚鹦鹉螺的最后一次进食。

THIS picture shows an ammonite's last meal.

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根据最近的鹦鹉螺的记载，鲨鱼的威胁无时不在。

Poll , fear of sharks is at an all - time high.

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根据最近的鹦鹉螺的记载，鲨鱼的威胁无时不在。

Poll , fear of sharks is at an all - time high.

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