The Riddle of the DinosaurKnopf, 1985 - 304 pagine The most pressing unanswered riddles about the great reptiles that ruled the Earth for 160 million years and then vanished 65 million years ago are discussed in this book, along with such other contemporary paleontological issues as the origin of flight, whether dinosaurs were cold- or warm-blooded and the extent to which their infant care approached that of mammals. |
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Alvarez Alvarez hypothesis American Museum Andrews animals appeared Archaeopteryx archosaurs asteroid Bakker bipedal birds boundary brontosaurs Buckland carnivores catastrophe claws coelurosaurs comets Como Bluff Compsognathus Cope creatures Cretaceous-Tertiary crocodiles Cuvier Darwin Deinonychus digging dino dinosaur bones dinosaurian Diplodocus discovered discovery Douglass earth ectotherms eggs endothermic evidence evolution evolutionary evolved expedition exploration feathers fossil hunters fossil record geologic geologists hadrosaurs Hatcher Hell Creek Horner human Hutton Huxley hypothesis Iguanodon impact iridium Jensen John Ostrom Jurassic known land layer living lizard looked mammals Mantell Marsh mass extinctions Megalosaurus Mesozoic meters million years ago Mongolia Montana Muller Natural History nest orbit Osborn Ostrom Owen paleontologists plants predators probably pterosaurs quarries remains reptiles reptilian rock sandstone sauropods saurs scientific scientists sediments seemed Sepkoski skeleton skull species specimens star Stegosaurus Sternberg strata survived teeth thecodonts theory therapsids tion Triassic Tyrannosaurus University vertebrate warm-blooded Williston wrote