Iguanodon

October 31, 2025 - He neglected to add a specific name to form a proper binomial, but one was supplied in 1829 by Friedrich Holl: I. anglicum, which was later emended to I. anglicus. Mantell sent a letter detailing his discovery to the local Portsmouth Philosophical Society in December 1824, several weeks after ...

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.

In 1825, Dr Gideon Algernon Mantell - an English surgeon, geologist and palaeontologist - described several prehistoric teeth from the Wealden district of East Sussex. They looked like those of an iguana but considerably larger, so Mantell named ...

Iguanodon is a notable dinosaur that was first discovered in 1822 and formally named in 1825. Initially recognized from a tooth found in England, its name means "iguana tooth," reflecting its resemblance to the teeth of modern iguanas.

Distinctive features include large thumb spikes, which were possibly used for defense against predators, combined with long prehensile fifth fingers able to forage for food. The genus was named in 1825 by English geologist Gideon Mantell but discovered by William Harding Bensted, based on fossil ...

Iguanodon is a genus of ornithopod dinosaur that lived from about 139-122 million years ago, from the early to late Cretaceous period. Iguanodon was the second dinosaur ever discovered and it was one of the first dinosaurs ever to be named, ...

May 27, 1999 - Iguanodon was named for its teeth, whose similarity to those of modern iguanas also provided the dinosaur’s discoverer, the English physician Gideon Mantell, with the first clue that dinosaurs had been reptiles.

Instead of going around it, they decided to go through. Several days later, they made a startling discovery: tree trunks filled with gold! What they had actually found were Iguanodon bones encrusted with pyrite (“fool’s gold”).

November 16, 2024 - While Mary Ann Mantell’s find in 1822 in Sussex, England, marked the first known discovery of this dinosaur, it was not until later that the Iguanodon’s name would be solidified by Gideon Mantell in 1825.

Two hundred years ago, on 10th February 1825, a huge prehistoric animal was presented to the world for the first time. It was identified by doctor and geologist Gideon Mantell from large fossil teeth found in Sussex, England, by him and his ...

Iguanodon was one of the first dinosaurs to be described (although the term 'dinosaur' was not introduced until 1841). Using the fledgling sciences of palaeontology and geology, Mantell identified for the first time an important group of animals that no longer existed.

Scientific name: Iguanodon, meaning ‘iguana tooth’. The species that the Iguandon statues were based on has since been renamed Mantellodon (meaning ‘Mantell’s tooth’) after the famous scientist Gideon Mantell who described their fossil remains. Mary Ann Mantell (Gideon Mantell’s ...

April 22, 2022 - Iguanodon was one of the first dinosaurs described by scientists after its fossilized tooth was found in southeast England in 1822. (The word “dinosaur” wasn’t even used until 1842.)

The Iguanodon was first discovered in 1822 and described in 1825 by Gideon Mantell, an English geologist. It was the second dinosaur formally named, after the Megalosaurus. It is part of a diverse and populous group of dinosaurs resulting in many species mistakenly intermingled and reassigned ...

The Iguanodon thus became the first dinosaur in the world to be recognised and named. His paper announcing these discoveries was officially published in 1825 "Notice on the Iguanodon, a newly discovered fossil reptile, from the sandstone of Tilgate Forest, in Sussex, " in: Philosophical Transactions of the Royal Society of London, vol.

Thirty relatively complete iguanodon skeletons were discovered 322m underground in a coal mine in Bernissart, Belgium at the end of the 19th century. Since the bones were still in their original position, it was possible to present the skeletons ...

April 20, 2017 - The discovery of stiffened tendons along the tail established Iguanodon as no tail-dragger.

February 8, 2025 - Some paleontologists argue that many of the dinosaurs known as Iguanodon are classified incorrectly, leaving only one or two true Iguanodon species. Mary Ann Mantell discovered the first Iguanodon fossil — a tooth — in Sussex, England, in 1820, ...

Discover how a toothy discovery in 1825 shaped palaeontology and had a lasting impact on our understanding of dinosaurs.

The species showcased adaptability, thriving in diverse habitats with earth-toned coloration for camouflage and social signaling. First discovered by Gideon Mantell in 1822, *Iguanodon* became one of the first scientifically named dinosaurs, ...