Iguanodon. Chris Parish April 20, 2012 Mrs. Naughton. The Iguanodon was the first discovered and recorded dinosaur. Gideon Algernon Mantell named it the Iguanodon in 1825.
April 20, 2012
The Iguanodon’s name means Iguana tooth. It is cool because it has a spike on its thumb. The Iguanodon has 4 fingers plus a conical thumb spike on each hand to defend himself.
This dinosaur lived in the early to middle Cretaceous period - 140 to 110 million years ago in Great Britain, Mongolia, North America, and Europe.