Iguanodon

October 31, 2025 - Exactly what Iguanodon ate with its well-developed jaws is not known. The size of the larger species, such as I. bernissartensis, would have allowed them access to food from ground level to tree foliage at 4–5 metres (13–16 ft) high.

Its unclear if Iguanodon; at the very least fully mature specimens; had any significant natural predators given to their rather large size; bulky anatomy and natural defenses such as their infamous hand spike.

September 27, 2025 - Iguanodon was the largest, best ... or duck-billed dinosaurs. Iguanodon was 9 metres (30 feet) long, stood nearly 2 metres tall at the hip, and weighed four to five tons....

Discovered in Sussex in 1822, a collection of teeth was the first evidence of a gigantic herbivorous reptile named Iguanodon. This dinosaur and its closest relatives lived during the Early Cretaceous, between 140 and 110 million years ago.

Iguanodon is a genus of large, herbivorous ornithopod, weighing around 3.2 tonnes and growing up to 8m long. This dinosaur’s name translates to ‘iguana tooth’, as its teeth bear a strong resemblance to those of an iguana – broad and ...

In other words, there is a significant difference in physical characteristics, such as body size, between the male and female of the species. This is not the case with Iguanodon, however, as the skeletons discovered show no significant difference between sexes despite significant individual variation.

July 27, 2022 - Dimensions & Sizes · The Iguanodon had an overall length between 29.5’-39.4’ (9-12 m), standing height of 11.5’-15.75’ (3.5-4.8 m), body width of 3.9’-5.25’ (1.2-1.6 m), and weight from 8,000-11,000 lb (3,629-4,990 kg). The typical lifespan of the Iguanodon was between 25-40 years.

Specifically what type/s of plants ... at this point, this is just speculation. In addition to other herbivores, Iguanodon also shared its habitat with predators. These include the medium-sized tyrannosaur Eotyrannus and the moderately large allosauroid Neovenator...

August 14, 2020 - The distinguishing features of Iguanodon are in the skull, pelvis and foot, so most material is assumed to be Iguanodon just because it’s so common. The teeth can reach up to 40 mm (1½ inches) in height, and show an expanded crown and fine ...

Two lifesize reconstructions of Mantellodon (considered Iguanodon at the time) built at the Crystal Palace in London in 1852 greatly contributed to the popularity of the genus. Their thumb spikes were mistaken for horns, and they were depicted as elephant-like quadrupeds, yet this was the first time an attempt was made at constructing full-size ...

November 14, 2024 - ‬Mantell believed the spikes correct place was actually on top of the end of Iguanodon’s snout.‭ ‬The overall body shape of early restorations was also very iguana-like with a low quadrupedal body,‭ ‬fore and hind limbs being the same size as one another and a long trailing tail.‭ ‬This depiction continued until Richard Owen began work upon reconstructing and classifying these animals.

May 27, 2024 - The Iguanodon is a large herbivorous dinosaur that lived in the Late Jurassic and Early Cretaceous periods (between 161.2 to 99.6 million years ago). The fossil distribution shows the species lived predominantly in Europe but might have lived in North Africa and North America as well.

An early sketch (1834) of Iguanodon · Pronunciation: Ig-WAH-noh-don · Size: 10 m (33 ft) long and 3 m (10 ft) tall · Where and when: Swamps and meadows in Europe 126–122 million years ago (Early Cretaceous) Diet: Ferns, horsetails, cycads · Predators: Eotyrannus, Neovenator ·

Iguanodon could probably walk on all fours or on two legs.

Growing between 8 and 11 m (26 and 36 ft) in length and between 3 and 5 t (6,613 and 11,023 lb) in weight, Iguanodon is one of the largest ornithopod dinosaurs discovered, rivaling the sizes of most duck-billed hadrosaurs.

Today a 300m² glass case protects ... specimens shown in the glass case vary greatly in size: they range from 629 to 730cm long and 390 to 506cm high!...

February 10, 2024 - There's some fragmentary arm bones implying an upper size limit around there but it's not overly reliable

April 4, 2022 - Iguanodon is a genus of extinct ornithopod dinosaur that lived around 135 and 125 million years ago. It was one of the three genera, along with Megalosaurus and Hylaeosaurus, used to describe clade Dinosauria. The scientific understanding of this genus has evolved over the years.

Iguanodon reached a length of about 30 feet (9 meters) and stood up to 16 feet (5 meters) tall. It weighed between 4 and 5 tons. The most distinctive feature of Iguanodon was its front feet with five fingers.