Archosauria Collection (page 14)

Iguanodon teeth
Some original Iguanodon teeth found by Dr. and Mrs. Mantell. The tooth on the right is 5.3cm long as preserved. Iguanodon was a large plant eater with cheek teeth for grinding vegetation

Iguanodon brain
A partial skull that contains a natural mould (endocast) of the interior of the skull where the brain would sit. This is a representation of the external shape of the Iguanodon brain

Iguanodon thumb spike
A fossil thumb spike that once belonged to Iguanodon, a herbivorous dinosaur that lived 140 to 110 million years ago. It is though to have used its sharp ended thumb to defend itself against predators

Iguanodon metatarsal
A fossil metatarsal (the long bone of the foot) that once belonged to the herbivorous bipedal dinosaur, Iguanodon. The rough patches are where the muscles and tendons were attached to the bone

Iguanodon foot
The right foot of a very large Iguanodon. Some of the toe joints have small frills of bony overgrowth, showing that the dinosaur was suffering from arthritis

Iguanodon hand
Fossil remains of a hand that once belonged to the herbivorous dinosaur, Iguanodon. Notice the very sharpe spike like thumb which is thought to have been used for defending itself against predators

Echinocactus gibbosus, chin cactus
Triceratops teeth worked together like scissor blades to cut up tough plants. The smooth vertical surface on the right of this tooth is the worn cutting blade

Deinonychus
A model of the Deinonychus, meaning terrible claw. It was a carnivorous dinosaur that lived during the Lower Cretaceous period, around 144 million years ago

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