Between 440-510 million years ago (the Paleozoic period) a warm tropical sea flooded the region, which was then near the equator.

The Permian is the last period in the Palaeozoic era.

The Permian is the last period in the Palaeozoic era.

The ending of this period of biologic tribulation, known to your students as the Permian, also marks the end of the long Paleozoic era, which covers one quarter of the planetary history, two hundred and fifty million years.

This mass extinction marked the end of the Paleozoic Era.

59:6.11 The ending of this period of biologic tribulation, known to your students as the Permian, also marks the end of the long Paleozoic era, which covers one quarter of the planetary history, two hundred and fifty million years.

It was preceded by the Jurassic and followered by the Paleocene Epoch.

The Carboniferous period is the fifth geological period of the Paleozoic era.

It was preceded by the Jurassic and followered by the Paleocene Epoch. .

It was preceded by the Jurassic and followed by the Paleocene Epoch.

They have been dated back to the Paleozoic era about 570 million years ago.

The fifth period of the Paleozoic Era is the Carboniferous Period.

The Carboniferous time period was the fifth time period of the Palaeozoic.

This geologic period happened at the end of the Paleozoic era, after the Carboniferous.

This geologic period happened at the end of the Paleozoic era, after the Carboniferous...