New evidence has paleontologists questioning whether a third of all dinosaur species ever existed. Could some discoveries once thought to be distinct species, in fact, be the same species at different stages of development? National Geographic joins famed paleontologistsincluding Jack Horner, a contributing expert to the Jurassic Park filmswho are challenging the long held belief that young dinosaurs looked like miniature versions of their parents.
Director : Dan LevittCast : Hans Larsson|Jack Horner|Mark Goodwin|Michael Carroll|Thomas Carr
Genre : Documentary
Release Date : 2009-10-11
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