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 126
... beaks were markedly extended by keratin coverings . Beak keratin grows continually , so the beaks renewed themselves as their cut- ting edge was worn down . The bony cores of claws support ker- atin sheaths too - in fact , fingernails ...
... beaks were markedly extended by keratin coverings . Beak keratin grows continually , so the beaks renewed themselves as their cut- ting edge was worn down . The bony cores of claws support ker- atin sheaths too - in fact , fingernails ...
Page 383
... beak . The tip of the beak has a little notch . The skull's roof also has a rather strange little centerline horn in front of the eye socket . Primitive features of the foot include a less reduced central can- non bone , and a still ...
... beak . The tip of the beak has a little notch . The skull's roof also has a rather strange little centerline horn in front of the eye socket . Primitive features of the foot include a less reduced central can- non bone , and a still ...
Page 385
... beaks.33 The new Mongolian " Gallimimus " was given a very different upturned beak tip.34 Neither is right . Instead , the edge of the upper beak is fluted to greater or lesser degrees , often with an especially large flute on the ...
... beaks.33 The new Mongolian " Gallimimus " was given a very different upturned beak tip.34 Neither is right . Instead , the edge of the upper beak is fluted to greater or lesser degrees , often with an especially large flute on the ...
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