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About T-rex At a Glimpse Parts of T-rex Physical Appearance Smell Hunting Cretaceous Period Fossils What are fossils? How dinosaurs became fossils Extinction Theories Introduction Asteroid Impact Disease Change of Climate Volcanic Activity Web Poll: What is your opinion as to how dinosaurs became extinct? Sue T-rex Who is Sue T-rex? Vital Statistics Time Line Sue's Friends Iguanadon Ankylosaurus Koolasuchus Velociraptor Torosaurus Utahraptor Parasaurolophus Dino-IQ test A Day with Sue Hendrickson Introduction Activities Fossil Dig Site Mapping Balancing T-rex What We've Learned Rex Rampage Puzzles Story Dig for fossil Camasaurus PhotoAlbum About the Authors: Hall of Fame Join the Hall of Fame Guestbook Teacher's Resource Page Citations