These fossils may represent

这些化石也许代表了

the most important leap forward in the history of lifeon our planet,

地球生物历史上最重要的飞跃

but that doesn't mean they are easy to spot.

不过这并不意味着很容易就能发现他们。

This is a very old surface, you clean it off

这个表面非常古老首先清洁一下

and then push this putty onto the surface,

然后把这块灰泥压上去

you can actually see the impression.. Look at that.

您就能亲眼看见.. 看那里

of a thing called Parvancorina.

帕文克尼亚虫的印痕

You know, it looks like somebody's Signet ring.

看起来很象是图章戒指

- It's like a trademark.- Exactly,yeah.

象某种商标- 没错

And that is really all the fossils is.

这已经就是化石的全部了

It's the impression of this soft-body creature

这是这种软体动物全部的印痕

as it was preserved instantly on the sea floor about 560 million years ago.

正如同5亿6千万年前 他们初次保存在海底时一样

This are nothing of the fossil that I am used to.

这和我所熟悉的那些化石完全不同

I mean,that...I would never,ever have spotted that.

我的意思..我绝对不可能注意到他们的

Parvancorina wouldn't attract much attention today,

帕文克尼亚虫 如今不可能吸引太多的关注

but this animal had made a gigantic evolutionary leap.

但这种动物完成了 一次巨大的进化飞跃

Unlike single celled microbes,

与单细胞微生物不同

this was a complex creature with a head, skin, and internal organs.

它拥有头、皮肤、内部器官 是一种复杂生物。