A fossilized stemcross section of Dernbachia brasiliensis, a tree fern of the Permian (250-300 million years ago). Image by Ludwig Luthardt, Museum für Naturkunde, Berlin

What plants and animals lived with our ancient ancestors? Answer >>

Be Part of
Ask An Anthropologist

By volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a volunteers page to get the process started.

 Contribute

Share this page