1.Either way, the Paleozoic Era continued to be dominated by the crinoids and other echinoderms.

无论哪种方式，古代继续由海百合和其他棘皮动。机翻

2.And both groups spent the last period of the Paleozoic, the Permian, spreading across Pangea.

这两群体都度过了古代最后一时期 ，即二叠纪，在盘古大陆蔓延。

3.At first, the planet was populated only by the survivors of the Paleozoic.

起初，这星球上只有 古代幸存者居住。

4.But it’s no overstatement to say that the Paleozoic Era made life what it is today.

但毫不夸张地说， 古代造就了今天活。

5.So they turned out to be some of the most important index fossils from the whole Paleozoic Era.

因此，们成为整古代最重要指示化石之一。机翻

6.The casualties included most of the therapsids and other holdovers from the Paleozoic.

伤亡人员包括 来自古代大部分疗和其他残留。

7.In fact, many subdivisions of the Paleozoic are actually defined by when certain conodont species first or last appear.

事实上，古代许多细分实际上是根据某些牙形石种首次或最后出现时间来定义。机翻

8.It lived in the era before the Mesozoic, in the Paleozoic.

活在中代之前时代， 在古代。

9.But their remains ended up being some of the most important fossils of the entire Paleozoic Era.

但们遗骸最终成为整古代最重要化石之一。机翻

10.So the rich silver veins in Montana formed when water stuffed with ionic compounds ran through cracks in paleozoic limestone.

因此，当充满离子化合水流过古代石灰岩裂缝时，就形成了蒙大拿州丰富银矿脉。机翻

11.Sometimes, too, you will see the term Phanerozoic used to describe the span encompassing the Cenozoic, Mesozoic, and Paleozoic eras.

有时, 您还会看到Phanerozoic一词用于描述涵盖新代, 中代和古代跨度。机翻

12.The Paleozoic came to a dramatic end about 252 million years ago with a mass extinction event.

大约 2.52 亿年前，古代因大规模灭绝事件而戏剧性地结束了。机翻

13.The first era of our current eon is the Paleozoic Era, which began 541 million years ago.

我们当前第一时代是 古代，始于 5.41 亿年前。

14.But the fact is: the Paleozoic Era was truly a make it or break it time for life on Earth.

古代确实 是地球上命成败时刻。

15.And they thrived all over the world throughout the Paleozoic Era, with many species schooling in the open ocean like modern sardines, while others stayed closer to shore.

在整古代时期， 们在世界各地繁衍息，许多种像现代沙丁鱼一样在开阔海洋中学习，而其他种则留在离海岸较近地方。机翻

16.Nowadays, and speaking very generally, geological time is divided first into four great chunks known as eras, Precambrian, Paleozoic, from the Greek meaning old life, Mesozoic, middle life, and Cenozoic, recent life.

现在, 一般来说, 地质时间首先分为四大块, 称为时代, 前寒武纪, 古代, 来自希腊语, 意思是旧活, 中代, 中代和新代, 最近活。机翻