The first ammonoids also arose during the Devonian. Related to octopuses and squid, these marine animals survived until the end of the Cretaceous period, 65 million years ago. Plants began ...

Unearth the nine massive prehistoric animals that lived before dinosaurs ... The Jaekelopterus was another giant scorpion living during the Devonian Period 390 million years ago.

when the first animals made their way from water onto land. At that time, known as the Devonian period, the world was changing dramatically: complex plant ecosystems formed on land, the first ...

The oldest winged fossil dates back 330 million years ago, suggesting that insects were among the first animals to leave the oceans for land during the Devonian period some 400 million years ago.

The initial radiation of vascular land plants, evidenced by increases in both diversity and morphological disparity during the Silurian and Devonian ... marine animals. During this period, novel ...