Trace Fossils

Dinosaur Tracks and Ichnology
Provides a number of resources on trace fossils which are any marks, or other evidence, left behind by an animal while it was still alive.
http://paleo.cc/paluxy/ichno.htm

Ichnology
The study of tracks, trails, footprints and other animal traces. Photographs of a number of modern, archaeological and paleontological traces.
http://www.skullsite.co.uk/prints/

Ichnology Research Group
A multidisciplinary team of graduate and postgraduate researchers at the University of Alberta led by Professor S. George Pemberton working on trace fossil problems.
http://research.eas.ualberta.ca/ichnology/

Ichnology: The Study of Tracks and Traces
Ewan Wolff of the Montana State University Geoscience Education Web Development Team, provides links to a number of resources on traces, tracks and trackways.
http://serc.carleton.edu/research_education/paleontology/ichnology.html

Precambrian Fossils
Possible Precambrian trace fossils collected in the Van Horn region of Texas.
http://geowww.geo.tcu.edu/PCfossils.html

Virtual Ichnology
Computer model of trace fossil development through time. Part of the Computational Paleontology website.
http://www.notam02.no/~oyvindha/virtual.html