The Devonian, part of the Paleozoic era, is otherwise known as ... The fossils of these remarkable animals come from the red rocks of Devon. Some lobefins are still around today, such as the ...

3 min read During the Ordovician period, part of the Paleozoic era ... of the Ordovician remained confined to the seas with new animals evolving in place of those that didn't survive the Cambrian.

This reptilian skin fossil belongs to a creature from the early Paleozoic era that led terrestrial and aquatic life. Being the oldest known specimen of animal skin, this incredible discovery ...

revealed a significant rise in marine oxygenation during the Late Paleozoic era (400 million years ago), hundreds of millions of years after the emergence of animal-life. These findings suggest ...