Fossil Links
The World's Greatest Compendium of Paleo Links! 
http://members.cox.net/jdmount/paleont.html 
Jack D. Mount, a science reference librarian at the Science-Engineering Library, a branch of the University of Arizona Library, has compiled this extensive list of links organized by useful categories.  If you can't find it here, it's probably not on the Web.

Download a Dinosaur 
http://www.rain.org/~philfear/download-a-dinosaur.html 16 dinosaur patterns to cut, fold and decorate

Learning From the Fossil Record
http://www.ucmp.berkeley.edu/fosrec/Learning.htmlPart of the stellar University of California, Berkeley Museum of Paleontology site; a must see.  This section has excellent activities for both primary (Dino Cookie Dig is a favorite) and secondary students, focusing on the ways fossils indicate the relative ages of geologic strata.  Very high quality information.

Discovery Channel Dinosaur Guide
http://dsc.discovery.com/guides/dinosaur/dinosaur.html Includes Dino Zip Codes: put in your zip and find out what dinos used to live in your area!

ZoomDinosaurs.com
http://www.enchantedlearning.com/subjects/dinosaurs/index.htmlA hypertext online book about dinosaurs; contains many levels of information.
Make Your Own Trilobite 
http://www.hgms.org/PALEO/trilobite-model.htmla paper trilobite model for kids of all ages.

...Know of other sites that deserve mention? Drop us a line and we'll add them to the list.