They have not yet been found in the fossil record.

They are not known to be present in the fossil record.

That fossil is what started me on the road to science.

And the further we go back, the more different the fossils are.

The new fossils, he said, are probably about 230 million years old.

And there is so much more where these fossils came from.

Spending on fossil energy research would be cut by 18 percent.

What exactly are fossils, though, and how do they form?

Because of that, it is sometimes called a living fossil.

Some of those were supposed to be able to bring a fossil back to life.

These left behind fossils in the western half of the state.

A further two species are known from the fossil record.

You should look at species whose fossils are far more common.

This can be clearly seen in some of the fossils.

The plants have often been considered to be a living fossil.

There are more species to be found in the fossil record.

In his later years he developed the study of fossils.

I am going to show you the location of a fossil.

But a fossil on the ground is worth absolutely nothing.

Find out what Earth's fossil record may be telling us about our future.

It was the first fossil of this nature that had ever been brought to light.

Many fossils have that been found in the area back this fact for us.

The older the fossil record gets, the more difficult it is to read.

This fossil was the first of many new species which he would present to science in later years.

The fossil will go on public exhibit three days later.

The hard edges of new China are softened by a 'fossil' village created for tourists.

The 95-mile stretch around Dorset and East Devon, known as the Jurassic Coast, is fossil- hunting country and England's first natural World Heritage site.

These left behind fossils in the western half of the state.

And the further we go back, the more different the fossils are.

And there is so much more where these fossils came from.

Several families appear now for the first time among the fossils.

Or did they come from something else that didn't leave fossils?

You should look at species whose fossils are far more common.

What exactly are fossils, though, and how do they form?

In his later years he developed the study of fossils.

This can be clearly seen in some of the fossils.

How can they tell what animals their fossils come from?

It is named after the town where the fossils were found.

Fossils of these species have also been found in Europe.

The modern species are almost the same as the first fossils.

Many fossils have that been found in the area back this fact for us.

I'm not sure how it would fly with the fossils.

Paul was afraid to help me kill the old fossils.

The oldest known fossils are about 3.6 billion years old.

Just think, those fossils are our cousins, in a very real way.

In his playing days, he had a term for people like this: fossils.

I loved fossils as a child, and he gave me his collection.

In this night at the museum, the fossils come alive.

The fossils provide evidence of the groups possibly having lived there.

For a while these were considered the oldest fossils in the world.

She has also found other important fossils and artifacts around the world.

Fossils from at least seven other potential species have also been discovered.