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Iguanodon |
Also found in: Wikipedia, Hutchinson | 0.01 sec. |
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Iguanodon (ĭgwăn`ədŏn) [Gr., = iguana tooth], herbivorous ornithiscian dinosaur dinosaur (dī`nəsôr) [Gr., = terrible lizard], extinct land reptile of the Mesozoic era . ..... Click the link for more information. , 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. ..... Click the link for more information. , 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. Iguanodon [i′gwän·ə‚dän] (paleontology) A herbivorous ornithopod dinosaur, 30 feet (9 meters) long and weighing 5 tons, that appeared during the Early Cretaceous Period. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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For instance, his iguanadon was patterned after the present-day iguana. Until Benjamin Waterhouse Hawkins began sculpting his models of an iguanadon, a megalosaurus, and other extinct creatures in England in 1853, no one except a few scientists had any idea what a dinosaur looked like. When a giant comet collides with the Earth, a young iguanadon named Aladar and the lemurs he calls family are thrown into a world of danger and adventure. |
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