Cambrian migration images

These images can be used to illustrate the Oxford University press release (7 October 2008).

THIS STORY IS EMBARGOED UNTIL 19:00 BST THURSDAY 9 OCTOBER 2008

Fossils showing 'migrating' Cambrian arthropods: chains of closely interlocked shrimp-like animals. Credit: Derek Siveter.

Fossils showing 'migrating' Cambrian arthropods: close up of the congregating animals. Credit: Derek Siveter.

Fossils showing 'migrating' Cambrian arthropods. Credit: Derek Siveter.

Larger versions of these images are available, email pete.wilton@admin.ox.ac.uk with your request.