By: Keith M Parsons
294 pages, Illus
A historical review of the most important scientific controversies that have shaped our knowledge of dinosaurs since their discovery in the 1820s. The debates discussed range from the origin of dinosaurs and their posture to their evolution or retrogression and whether they were warm or cold blooded. Two of the most recent debates concern the extinction of dinosaurs and whether or not birds are descended from them.
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