When Dinosaurs Roamed America - documentary

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When Dinosaurs Roamed America
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When Dinosaurs Roamed America is a two-hour nature documentary film narrated by American actor John Goodman (The Big Lebowski, 10 Cloverfield Lane) about the history of dinosaurs on the continent of America.


The film features dinosaurs created by Paleo-artist and art director Mark Dubeau and covers a number of significant time-periods during which these animals ruled the Earth.


The following epochs are explored in When Dinosaurs Roamed America:


  • Late Triassic segment (220 million years ago)
  • Early Jurassic segment (200 million years ago)
  • Late Jurassic segment (150 million years ago)
  • Mid-Cretaceous segment (90 million years ago)
  • Late Cretaceous segment (65 million years ago)


Like the renowned documentary British series "Walking with Dinosaurs" this film features a number of the most famous pre-historic beasts such as Triceratops, Dromaeosaur, Allosaurus, Dilophosaurus and Desmatosuchus. Though there are many which are featured in this documentary that are not in Walking with Dinosaurs.

Nature, Animal

John Goodman
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