Extinctions: living and dying in the margin of error

The Anthropocene and the earth system

A Short detour: the fossil record and the geological time scale

The Origin of animals and the emergence of the earth system

Documenting ancient biodiversity

Mass extinctions: the basics

Causes of the end-Permian and end-Cretaceous extinction events

Time heals all: recovering from a mass extinction

The Late quaternary megafaunal extinctions

Surviving the Anthropocene.