From the Smithsonian Museums
Enter the land of the reptilian monsters and other extinct beasts
Donald R. Prothero
David Lees and Alberto Zilli
Alan B. Bolten and Blair E. Witherington
Dr. Peter H. Hansen
Erica McAlister and Adrian Washbourne
Mari Nakahara and Katherine Blood
Todd J. Braje
Matthew T. Carrano and Kirk R. Johnson
Anthony D. Fredericks
Jan Zalasiewicz
Joanna Bagniewska