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Iguanodon
(redirected from Vectisaurus)

   Also found in: Wikipedia, Hutchinson 0.06 sec.
Iguanodon (ĭgwăn`ədŏn) [Gr., = iguana tooth], herbivorous ornithiscian dinosaur dinosaur (dī`nəsôr) [Gr., = terrible lizard], extinct land reptile of the Mesozoic era .
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, characterized by teeth similar to those of the iguana iguana (ĭgwä`nə), name for several large lizards of the family Iguanidae, found in tropical America and the Galapagos.
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, a horny beak, spikelike thumbs, and a powerful tail. It may have been capable of walking on either two or four feet. Fossils remains of the 30-ft-long (9-m) reptile have been found in Europe, Asia, Africa, and the W United States in strata of the early Cretaceous period, approximately 135–110 million years ago. It possessed characteristic spikelike thumbs. Iguanodon, the second dinosaur to be formally named, was first described by Gideon Mantell, an English physician and geologist. He credited his wife, Mary Ann Woodhouse Mantell, with the discovery. An impressive find by miners in a Belgian coal mine in 1878 turned up more than 20 nearly complete fossil skeletons.

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