Iguanodon

Iguanodon is a genus of ornithopod dinosaur that existed roughly halfway between the swift bipedal hypsilophodontids of the mid-Jurassic and the duck-billed dinosaurs of the late Cretaceous. The genus was named in 1825 by English geologist Gideon Mantell but discovered by William Harding Bensted, based on fossil specimens found in England. In 1878 new, far more complete remains were discovered...