Find Devonian stock video, 4K footage, and other HD footage from iStock. Get higher quality Devonian content, for less—All of our 4K video clips are the same price as HD. Video Back Videos home ...

Emily’s work on what really happened to this lineage of trilobites is vital to understanding the dynamics of the extinction process and the degree to which evolution provides a potential ...

Richard Fortey found his first trilobite aged just 14, after braving gorse bushes to break rocks on St David's Peninsula, the westernmost tip of Wales. This first encounter with a trilobite – which ...

When a pack of pesky, migrating trilobites overrun the ship, Big Lizard has to use a hidden talent to lure them away. But one little trilobite, Rex, decides to stay.

J urassic Triasic Permian Penrsylvanian Mis,ippian Devonian Silurian Ordovician Cambrian ... Age of fishes Rise of invertebrates Dominance of trilobites Oldest known fossils Primitive marine ...