Near the end of an era called the carboniferous, earth started to cool.

在石炭纪时代末期，地球开始降温。

The long-ago seas of the Carboniferous and Devonian swarmed with tiny plankton that wrapped themselves inside tiny protective shells.

泥盆纪和石炭纪的古代海洋里生活着大批微小的浮游生物。它们躲在小小的保护性壳里。

And even further, there hasn't been any glacial activity here since the carboniferous ended nearly 300 million years ago.

此外，自近 3 亿年前石炭纪结束以来，这里就没有出现过任何冰川活动。

It’s known today as the Carboniferous Rainforest Collapse.

它今天被称为石炭纪雨林 崩塌。

New research is providing a deeper understanding of Whatcheeria, which lived around 330 million years ago during a time known as the Carboniferous period.

新的研究让人们对瓦切螈有了更深入的了解，它生活在大约3。3亿年前被称为石炭纪的时期。

Insects had evolved flight at least as far back as the Carboniferous Period.

昆虫至少早在石炭纪就已经进化出飞行能力。

And they're partly why we call the Carboniferous ... the Carboniferous!

它们是我们称石炭纪… … 石炭纪的部分原因！

By the end of the Carboniferous, they had become the single most diverse group of tetrapodomorphs on earth.

到石炭纪末期，它们已成为地球上最多样化的四足动物群。

All that oxygen was also a plus for the arthropods, which got HUGE in the Carboniferous.

所有这些氧气对节肢动物来说也是一个加分项， 它们在石炭纪获得了巨大的收益。

Amniotes first appeared nearly 315 million years ago, in the Carboniferous Period.

羊膜动物首次出现在大约 3.15 亿年前的石炭纪时期。

But back in the Carboniferous, it was nearly 35 percent!

但是回到石炭纪，这个比例接近 35%！

They thrived during the Carboniferous Period, from 299 million to 359 million years ago.

它们在距今 2.99 亿至 3.59 亿年前的石炭纪时期繁衍生息。

Hibbertopterus died out in the Carboniferous, but other Hibbertopterids persisted for millions of years.

Hibbertopterus 在石炭纪灭绝，但其他 Hibbertopterids 持续了数百万年。

That's because the Carboniferous was a time of incredible, runaway plant growth.

那是因为石炭纪是一个令人难以置信的、失控的植物生长时期。

Now, as the Carboniferous Period gave way to the Permian, the climate became more volatile, and glacial activity increased at the poles.

现在，随着石炭纪让位给二叠纪，气候变得更加不稳定， 两极的冰川活动也增加了。

It lived in the Inland Seas of North America 300 million years ago at the very end of the carboniferous period.

生活在3亿年前石炭纪末期的北美洲内海。

Then, around the beginning of the Carboniferous, a new lineage appeared with an even more radical strategy to deal with the fish problem.

然后，大约在石炭纪初期，出现了一个新的世系， 它采用更激进的策略来解决鱼类问题。

The resulting extinction became known as the Carboniferous Rainforest Collapse, and the scale trees were among its casualties.

由此导致的灭绝被称为石炭纪雨林崩塌，鳞片树也是其中之一。

Around 50 million years later, the reptiles that emerged during the Carboniferous Period were still terrestrial carnivores.

大约5000万年后，石炭纪出现的爬行动物仍是陆生食肉动物。

The whole history of the carboniferous period was written upon these gloomy walls, and a geologist might with ease trace all its diverse phases.

石炭纪的整个历史都写在这些阴暗的墙壁上，地质学家可以轻松地追踪其所有不同的阶段。