Modern humans have existed for only a tiny fraction of Earth’s history. During that time, our species has survived ice ages, ...

Harvestmen (Arachnida: Opiliones) are a common and widespread group, the most familiar of which are recognizable by their small, rounded bodies and long, slender legs ('daddy long-legs'). Their fossil ...

During the Devonian period, trees began to populate the Earth. But they also created soil, and the runoff changed the chemistry of the oceans. The evolution of some of the very species that now ...

The Devonian-Carboniferous transition was a time of substantial climatic, environmental and biotic change, with the Late Devonian being recognised as one of the ‘Big 5’ mass extinction intervals of ...

FOR more than, a century, since the days of the pioneer workers on the Old Red Sandstone, the osteolepid fishes have proved a source of difficulty to vertebrate palæontologists, and even more so to ...