Bizarre Dinosaurs
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 …
- Runtime: 48 min
- Released: 11 Oct 2009
- Genre:Documentary
- Starring: Jack Horner, Paul Sereno, Gregory Erickson, Robert Bakker
- Writer: Eleanor Grant
- Director: Jenny Kubo
- Available countries: USA
