The massive sauropod, Brontosaur (ブロントサウル Burontosauru?), was a common sight in the Dinosaur Warrior Koseidon.
Origin: Prehistoric Earth.
When alien forces invaded prehistoric earth, one of the many victims of their ruthless attacks where the gentle giant, the brontosaurs. One brontosaur even lost its life to the ruthless Tyrannosaurus Jackie.
- The Brontosaurus prop and suit is one of the newer suits.
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