- Anthony J. Martin's extensive and comprehensive website about plant and animal trace fossils. Includes information on all aspects of studying traces fossils, the Ichnology Newsletter, Trace Fossil Image Database, a trace fossil bibliography, and links to related websites.
- A multidisciplinary team of graduate and postgraduate researchers at the University of Alberta led by Professor S. George Pemberton working on trace fossil problems.
- Ewan Wolff of the Montana State University Geoscience Education Web Development Team, provides links to a number of resources on traces, tracks and trackways.