Dinosaurs to dodos: an encyclopedia of extinct animals

In the beginning. Precambrian Era- 4.6 billion to 543 million years ago

Early and eerie life. Cambrian Period- 543 million to 490 million years ago

A new underwater world. Ordovician Period- 490 million to 439 million years ago

Onto the land. Silurian and Devonian Periods- 439 million to 363 million years ago

Wet and wild. Carboniferous and Permian Periods- 363 million to 251 million years ago

The rise of reptiles. Triassic Period- 251 million to 208 million years ago

Dinosaur giants. Jurassic Period- 208 million to 146 million years ago

The great dinosaur period. Cretaceous Period- 146 million to 65 million years ago

Mammals against birds. Paleocene and Eocene Epochs- 65 million to 35 million years ago

Mammals rule. Oligocene, Miocene, and Pliocene Epochs- 35 million to 1.6 million years ago

Cold times, hard times. Pleistocene Epoch- 1.6 million to 10,000 years ago

Here today, gone tomorrow. Holocene Epoch- 10,000 years ago to today.