Iguanodon: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos and Videos

Illustration of an Iguanodon, a large herbivorous dinosaur with a beaked mouth, robust body, hoof-like fingers, and spiked thumbs. Human and dog silhouettes are shown for scale, emphasizing the dinosaur's size. Text describes its features, time period, and geographic range.

Figure 1: Iguanodon skeleton.

Discover the differences between Louis Dollo's former reconstruction and David Norman's current reconstruction of Iguanodon

See All Videos and Images →

Topics

Are iguanodons and iguanas related?Early Cretaceous Epoch Late Jurassic Epoch iguanodont Camptosaurus

Key People

Mantell, detail of an engraving

Gideon Algernon Mantell

British paleontologist

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

The bearded vulture (Gypaetus barbatus) is seen in Switzerland on December 2024

Animal Factoids

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

Lion (panthera leo)

Deadliest Animals Quiz

Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

Wild Words from the Animal Kingdom Vocabulary Quiz