Order Phacopida:

Modern Forms

There are no modern forms of this order. Trilobites died out in the mass extinction at the end of the Permian (250 million years ago). This extinction caused 90% of all organisms to go extinct. Details of this extinction event can be found here.

Author: Sarah Vinnell
Last updated: 21/11/05
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Websites produced by students on the MSc Palaeobiology programme in the Department of Earth Sciences at the University of Bristol for academic year 2005-6