Web Links
19. Trace fossils
Read more about trace fossils at:
http://www.envs.emory.edu/faculty/MARTIN/ichnology/index.htm
http://en.wikipedia.org/wiki/Trace_fossil
http://research.eas.ualberta.ca/ichnology
and about trilobite trace fossils at:
http://www.trilobites.info/trace.htm
Box 19.4
Read more about dinosaur tracks at:
http://www.envs.emory.edu/faculty/MARTIN/ichnology/dinotraces.html
http://paleo.cc/paluxy/ovrdino.htm
http://palaeo.gly.bris.ac.uk/Palaeofiles/Tracks/default.html
and see the computer-generated images of the Greenland tracks, as well as slow-motion animation, at:
http://www.brown.edu/Departments/EEB/gatesy/research.htm
Links to other dinosaur track web sites are given at.
http://paleo.cc/paluxy/ovrdino.htm
http://palaeo.gly.bris.ac.uk/Palaeofiles/Tracks/default.html
http://carbon.cudenver.edu/public/oldtrackers/index.html
Box 19.5
Go to the online dinosaur speed calculator at:
http://www.sorbygeology.group.shef.ac.uk/DINOC01/dinocal1.html
Read about new dinosaur speed calculations at:
http://www.timesonline.co.uk/tol/news/uk/science/article2303159.ece
Box 19.6
Read more about the key ichnofacies, and see color images of typical indicator trace fossils, at:
http://www.es.ucl.ac.uk/undergrad/fieldwork/image/fieldtrips/TraceFossils/ichno.htm
http://strata.geol.sc.edu/terminology/ichnofacies.html
