Links
The Society of Vertebrate Paleontology
http://vertpaleo.org/
Peter Uetz's Reptile Database
http://reptile-database.com
Mike Everhart's Oceans of Kansas
http://oceansofkansas.com/
Digital Morphology at the University of Texas
http://www.digimorph.org/index.phtml
http://scholar.google.com/schhp?tab=ws&hl=en
Mikko's Phylogeny Archive http://www.fmnh.helsinki.fi/users/haaramo/
including numerous very nice paleo-life restorations http://marshalls-art.com/
http://www.galapagos.org/