MEHAU KULYK / SCIENCE PHOTO LIBRARY MEHAU KULYK / SCIENCE PHOTO LIBRARY
Iguanodon. Coloured engraving from 1883 of people viewing an Iguanodon dinosaur skeleton in a museum. Iguanodon was a herbivorous dinosaur that lived in the early Cretaceous period (130-110 million years ago). Large groupings of fossils suggest that it lived in herds. The upright Iguanodon posture seen here was first proposed by Louis De Pauw and Louis Dollo in 1882 after the discovery of complete skeletons at Bernissart mine, Belgium. Previous reconstructions based on incomplete fossils had shown Iguanodon walking on 4 legs with a spike on its nose rather than on its thumbs. In 1997 it is thought that Iguanodon's tail is less curved & its backbone more horizontal than seen here.
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