Iguanodon Dinosaur Facts

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Dinosaur Jungle   >   Dinosaur Names   >   Iguanodon
Dinosaur Jungle   >   Dinosaur Types   >   Iguanodon



dinosaur picture iguanodon

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Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Ornithischia
  Suborder Cerapoda
  Infraorder Ornithopoda
  Parvorder Iguanodontia
  Family Iguanodontidae
  Genus Iguanodon
Iguanodon was only the second dinosaur to be discovered (parts were first found in England in 1809), although the word dinosaur had not even been coined at that time.

Iguanodon is now known to be a plant-eating dinosaur that lived during the early Cretaceous period, about 135 to 125 million years ago. It was around 30 feet (9.1 meters) long, and lived around the world: fossils have been found in many countries including Belgium, England, Germany, Mongolia, North Africa, and the USA.

When Gideon Mantell first attempted a restoration in the 1820s, he only had very limited information and partial skeletons to work from, and incorrectly thought that Iguanodon's spiked horn was on the animal's snout. However, we now know that a conical horn was in fact attached to the thumb on each hand, and perpendicular to the other fingers. This spike may have been used for defense or for obtaining food.

Footprints of Iguanodon have been found preserved in the rocks of southern England, and from these were know the Iguanadon walked upright and travelled in herds. Footprints, but no skeletons as yet (as of the time of writing), have also been found in South America, and in Spitzbergen Island (in the Arctic Circle) which show that Iguanodon must have been very widespread.


Iguanodon Timeline:

Iguanodon was a herbivore (plant-eater) that lived from 135 to 125 million years ago

Iguanodon was a herbivore (plant-eater) that lived from 135 to 125 million years ago

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Iguanodon Facts

Here is a summary of some of the key facts about Iguanodon:
  1. Iguanodon was a genus of dinosaur.

  2. "Iguanodon" means "Iguana tooth". It was only the second dinosaur named (the first was Megalosaurus), and its name was chosen by Gideon Mantell in 1825.

  3. Iguanodon was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Iguanodon was not closely related to birds, it did have similarly shaped pelvic bones.

  4. Iguanodon lived between about 135 million years ago and 125 million years ago, during the Cretaceous period.

  5. Iguanodon lived in North America, South America, Europe, Asia, and North Africa.

  6. Iguanodon was a herbivore (plant-eater).

  7. Iguanodon was about 30 feet (9.1 meters) long.

  8. Iguanodon weighed about 4 to 5 tons.

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