Iguanodon Leg Bone (Iguanodon atherfieldensis)

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In 1820s, English Doctor Gideon Mantell described some teeth and bones from rocks in Sussex which he thought came from a very large unknown reptile. He named it “Iguanodon” because the teeth were similar to those of the Iguana. He did not know that they were perhaps 100 million years old.

Image © Nottingham City Museums and Galleries
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