NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Iguanodon brain fossil. Partial cast of a fossil of a skull fragment from the herbivorous dinosaur Iguanodon. This dinosaur lived around 140 to 110 million years ago, during the Early Cretaceous. The moulding technique used here (an endocast) shows the interior of the skull where the brain would sit, thus giving an indication of the shape of this dinosaur's brain.
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