Paleozoic.org 
Information about fossils, book reviews, photographic images, and Paleolist, a free email-based discussion list.
http://www.paleozoic.org/USGS Paleontology 
Site map for paleontology at the U.S. Geological Survey
http://geology.er.usgs.gov/paleo/siteindex.shtml
Paleontology in the 21st Century 
Summary of a 1997 meeting which outlined the current state of paleontology, and the areas which the science will encompass in the future.
http://www.nhm.ac.uk/hosted_sites/paleonet/paleo21/rr/
The Fossil Gallery 
Interactive tour through the collections of the Paleontological Museum at the University of Oslo, Norway. Includes areas for plants, mammals, man, dinosaurs, fish, invertebrates, and background information.
http://www.toyen.uio.no/palmus/galleri/index_e.html
Chris Clowes's Paleontology Page 
Summary information on a variety of paleontological subjects, focusing on the major events in the history of life. Includes extensive links to other resources.
http://www.peripatus.gen.nz/paleontology/index.html
Paleontology and Fossils Resources 
Offers extensive list of links about paleontology and fossils, library guides, and lists of books.
http://members.cox.net/jdmount/paleont.html