Predatory Dinosaurs of the World: A Complete Illustrated GuideProvides a species-by-species catalog of predatory dinosaurs known to have existed. |
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Page 53
... thecodonts were not really in compe- tition with one another , but this cannot be so because the two groups were out there squabbling over carcasses and competing for game . This competition seems to have had its effect , for as the ...
... thecodonts were not really in compe- tition with one another , but this cannot be so because the two groups were out there squabbling over carcasses and competing for game . This competition seems to have had its effect , for as the ...
Page 56
... thecodonts not failed , these differences might have allowed them and theropods to coexist through the rest of the Mesozoic . Thecodonts had been hunting an array of big and bizarre reptilian therapsid and thecodont herbivores when the ...
... thecodonts not failed , these differences might have allowed them and theropods to coexist through the rest of the Mesozoic . Thecodonts had been hunting an array of big and bizarre reptilian therapsid and thecodont herbivores when the ...
Page 195
... thecodonts . Of course some thecodonts must be the ancestors of birds , because they are ancestral to all other archosaurs . But no thecodont has a suite of birdlike adaptations that other archosaurs lack . Occasional claims that one ...
... thecodonts . Of course some thecodonts must be the ancestors of birds , because they are ancestral to all other archosaurs . But no thecodont has a suite of birdlike adaptations that other archosaurs lack . Occasional claims that one ...
Contents
Preface | 11 |
CONTENTS | 17 |
LifeStyles of the Big and Powerful and the Small | 27 |
Copyright | |
13 other sections not shown
Common terms and phrases
Albertosaurus allosaurs AMNH animals ankle antirrhopus Archaeopteryx archosaurs avetheropods avian Avimimus Bakker Barsbold big theropods bigger birdlike birds braincase brontosaurs cannon bone carnivores Ceratosaurus claws Coelophysis crocodilians Dilophosaurus dino dromaeosaurs ectotherms endotherms evolved extinct fauna feathers femur FEMUR LENGTH flight flying forelimbs Formation fossil genus giant gracile head herbivorous herbivorous dinosaurs herrerasaurs hind limbs HIP HEIGHT horn joint Jurassic HORIZON juvenile KILOGRAMMAGE known Lagosuchus Late Cretaceous HORIZON late Late Cretaceous libratus living lizards look lower jaw MAIN ANATOMICAL mammals Megalosaurus metabolic rates Mongolia mongoliensis muscles neck nosaurs Ornithomimus ostrich ostrich-mimics Ostrom Oviraptor paleodinosaurs Paleont paleotheropods predators PREDATORY DINOSAURS preorbital prey primitive probably Protoavis protobirds relative reptiles restorations Russell saurs sickle-claws similar skeletal skeleton SKULL LENGTH slender small theropods smaller snout species specimen speed Spinosaurus tail teeth thecodonts thero theropods things trackways Troodon tyrannosaurs Tyrannosaurus rex upper Velociraptor vertebrae WORLD Туре