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 140
... ankle processes that give the shank muscles better leverage . These too differ in mammals and dinosaurs . In the former the calcaneal tuber , your heel bone , is very prominent . Theropods , and birds too , lack this tuber , and some ...
... ankle processes that give the shank muscles better leverage . These too differ in mammals and dinosaurs . In the former the calcaneal tuber , your heel bone , is very prominent . Theropods , and birds too , lack this tuber , and some ...
Page 181
... ankle bones , the astragalus and calcaneum , are fixed immobile to the shank bones . This makes the ankle an uncomplicated mesotarsal hinge ( Figure 8-5 ) . Many thecodonts and most crocodilians have a much more complex crurotarsal ...
... ankle bones , the astragalus and calcaneum , are fixed immobile to the shank bones . This makes the ankle an uncomplicated mesotarsal hinge ( Figure 8-5 ) . Many thecodonts and most crocodilians have a much more complex crurotarsal ...
Page 183
... ankle developed from the unsophisticated intermedi- ate ankle of primitive thecodonts . It appears that two main archosaur sister groups , with fun- damentally different types of hips and ankles , evolved in the Middle and Late Triassic ...
... ankle developed from the unsophisticated intermedi- ate ankle of primitive thecodonts . It appears that two main archosaur sister groups , with fun- damentally different types of hips and ankles , evolved in the Middle and Late Triassic ...
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