Trilobite and dinosaur fossils have been unearthed in many places.

多处出土叶虫恐等。

She had no research facilities to study them and no funds to look for more.

她没有必要设备来研究叶虫，也没有资金来寻找更多叶虫。

These creatures were among the first to harness the light that filled the universe.

叶虫属于最早一批能够利用光生物。

With so much time at their disposal, the trilobites proliferated prodigiously.

叶虫有那么漫长支配时间，因此数量激剧增加。

Was it the " Please don't show me another picture of a trilobite" vibe?

是“别再给我看叶虫照片” 电吗？

Like modern arthropods, trilobites had compound eyes composed of many tiny lenses.

就像现代节肢动物，叶虫也有许多小晶体组成复眼。

These lenses allowed trilobites to form sharp images and quickly sense changes in light.

这些晶体让叶虫看见锐利影像，并快速察觉光线改变。

This was the beginning of what would prove to be the trilobite's long demise.

后来证实，这就是叶虫漫长灭绝之路开端。

All shared a basic body plan of three parts, or lobes-head, tail, thorax-from which comes the name.

叶虫身体都有个相同基本结构，分为个部分或片叶——头、尾和胸。叶虫名字此而来。

Finding a complete trilobite fossil is still a big moment for a paleontologist.

发现一块完叶虫对古生物学家来说，仍是一件大事。”

But trilobites left a remarkable record behind.

但叶虫留下了非凡记录。

Trilobite diversity dwindled, and come about 360 million years ago, only one of the 10 former trilobite orders remained.

叶虫多样性减少，到了亿六千万年前，过去所有叶虫目中，只有十目存活下来。

Some had long eye stalks that helped them peep above the muddy seafloor as they burrowed beneath.

有些叶虫有很长眼柄，让它们在海底挖洞时还能看到泥泞海床上有什么。

Fortey found his first when he was a boy clambering over rocks at St. David's Bay in Wales.

福泰在孩提时代就发现了第一个叶虫，当时他正攀越威尔士圣戴维海湾岩壁。

From about five hundred million years ago, big creatures became much more common, from trilobites to trees to tyrannosaurus rex.

从大约五亿年前开始，大型生物变得更加常见，从叶虫到树木再到雷克斯霸王。

Trilobites have no direct descendants, but their evolutionary cousins are alive and well.

叶虫没有直系后代，但它们在演上表亲现在仍然活得很好。

It was one of the early crustaceans called Trilobites.

它是一种叫做叶虫早期甲壳类动物。

Shelly creatures such as trilobites and brachiopods, of whose ancestors there is little sign in the rocks, are suddenly everywhere.

像叶虫、腕足动物此般壳类动物祖先没有在岩层中留下什么痕迹，但它们遗迹却突然间比比皆是。

Some creatures like trilobites and brachiopods survived though.

不过，一些生物如叶虫和腕足动物幸存下来。

I've gone down this trilobyte rabbit hole, buying fossils.

我已经走进了这个叶虫兔子洞，买了。