Dinosaurs Rediscovered: New Findings which are Revolutionizing Dinosaur ScienceFrom dinosaurs smaller than chickens to the biggest beasts ever to walk the Earth, here is the exciting story of recent discoveries about dinosaurs and the scientists who made them. Informal and informative.--The Boston Globe. Lessem wrote and hosted a recent Nova series on dinosaurs. Photos and drawings. |
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Page 44
... evidence was the uncommon presence of the rare element iridium in rocks of that age worldwide . Only volcanic explosions and extraterres- trial impacts bring iridium to the earth's surface . In the ensuing decade no natural - science ...
... evidence was the uncommon presence of the rare element iridium in rocks of that age worldwide . Only volcanic explosions and extraterres- trial impacts bring iridium to the earth's surface . In the ensuing decade no natural - science ...
Page 92
... evidence of a diversified animal life . He uncovered remains of pterosaurs and of the big , agile , crocodilelike ... evidence far from sufficiently persuasive to overwhelm the impressive evidence of sea - floor spreading that points to ...
... evidence of a diversified animal life . He uncovered remains of pterosaurs and of the big , agile , crocodilelike ... evidence far from sufficiently persuasive to overwhelm the impressive evidence of sea - floor spreading that points to ...
Page 290
... evidence soon began appearing of many more iridium spikes at the end of the Cretaceous around the world . Geochemical , botanical , and arguably , paleontological evidence con- tinues to mount in favor of some version of an 290 ...
... evidence soon began appearing of many more iridium spikes at the end of the Cretaceous around the world . Geochemical , botanical , and arguably , paleontological evidence con- tinues to mount in favor of some version of an 290 ...
Contents
The Truth About Dinosaurs | 15 |
Glossary of Essential Terms | 23 |
Approaching the Dinosaur Frontier | 27 |
Copyright | |
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Common terms and phrases
Alvarez anatomy ancestors Andrews Archaeopteryx Asia asteroid Australia badlands Bakker birdlike birds Chatterjee Chatterjee's China cladistic climate creatures Currie Dashanpu digging dino dinosaur bones Dinosaur Cove dinosaur eggs dinosaur extinction dinosaur fossils dinosaur paleontologists discovered discoveries Dong duckbilled dinosaurs duckbills Early Cretaceous earth environment evidence evolution evolutionary excavated feet long Flaming Cliffs footprints fossil record fossils Geological Gillette Gobi hadrosaur Herrerasaurus horned dinosaurs Horner huge hundred hypsilophodont iguanodonts impact Ischigualasto Jensen Jurassic K/T boundary known Late Cretaceous mammals McIntosh miles million years ago Mongolia Montana Museum of Natural Natural History nests North America numbers Olsen Padian paleon paleontologists Paul Sereno Peter Dodson Phil Currie plant-eaters plants predator Protoavis quarry reptiles Rich Robert Bakker rock sandstone sauropods saurs says scientific scientists sediments Seismosaurus skeletons skull species stegosaurs suggested Supersaurus Szechwan teeth theropods Triassic Troodon Tyrrell Museum Ultrasauros Ultrasaurus University warm-blooded Wassons Bluff Weishampel young