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Bizarre Dinosaurs

Bizarre Dinosaurs 2009

imdb 6.6 111

As dinosaurs grew into the behemoths of the Cretaceous period they evolved many extraordinary but apparently useless features including spikes, sails horns, crests and the tiny "arms" of tyrannosaurs. The program reviews these unusual features and discusses theories of why they exist.

Runtime: 48
Starts: Jack Horner, Paul Sereno, Gregory Erickson, Lawrence Witmer, Robert Bakker
Director: Jenny Kubo

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