Additionally, the role of volcanism during the Ordovician-Silurian transition has been ... This connection between volcanism and extinction events underscores the complex interplay of geological ...

Current trends suggest we’re now in another extinction crisis, although it’s unclear if whether that amounts to a sixth mass extinction. The Ordovician-Silurian mass extinction event may have wiped ...

These first steps toward life on land were cut short by the freezing conditions that gripped the planet toward the end of the Ordovician. This resulted in the second largest mass extinction of all ...

Current trends suggest we’re now in another extinction crisis, although it’s unclear if whether that amounts to a sixth mass extinction. The Ordovician-Silurian mass extinction event may have wiped ...

But first there was a period of biological regrouping following the disastrous climax to the Ordovician ... The Silurian drew to a close with a series of extinction events linked to climate ...

We study trilobites from four periods of the Palaeozoic: the Cambrian, Ordovician, Silurian and Devonian. Our research covers trilobite taxonomy, phylogeny, functional morphology, biogeography, and ...