Hadrosauriformes Collection

The Wealden, restorations, Crystal Palace Park
Original artwork by Walter Ray Woods for Benjamin Waterhouse Hawkins

Iguanodon and Hylaeosaurus
Sheet 3 of a series of posters by Benjamin Waterhouse Hawkins c. 1862, showing Iguanodon and Hylaeosaurus. Date: circa 1862

Parasaurolophus skeleton
This dinosaur which grew up to 10 metres in length had a large crest over the top of its head which extended over a metre. It lived during the Upper Cretaceous period, 76 to 74 mya

Restorations of secondary period animals
Original artwork by Benjamin Waterhouse Hawkins, donated by his granddaughter Mary Hawkins

Iguanodon
This dinosaur was a large bipedal herbivore which stood 14 feet high and 30 feet long. It lived during the Lower Cretactous around 140 to 110 million years ago

Parasaurolophus
This dinosaur which grew up to 10 metres in length had a large crest over the top of its head which extended over a metre. It lived during the Upper Cretaceous period, 76 to 74 mya

The comparative sizes of extinct animals
Printed poster, unknown author

Invitation to Dinner in Iguanodon 31 / 12 / 1853
Original artwork by Benjamin Waterhouse Hawkins, donated by his granddaughter Mary Hawkins

Iguanodon femur
A fossil femur, or thigh bone that once belong to the bipedal herbivorous dinosaur, Iguanodon. This specimen shows marks where muscles were once attached to the bone

Parasaurolophus skull
A fossil skull belonging to the dinosaur Parasaurolophus on display at the Natural History Museum, London. This large crested dinosaur lived around 70 million years ago during the Upper Cretaceous

Iguanodon skeleton
An illustration of an Iguanodon, a herbivorous dinosaur whose fossil remains have been in many parts of the world making it one of the most successful of all dinosaur species

Mary Ann Mantell
Portrait of Mary Ann Mantell, the daughter of G E Woodhouse and wife of Dr Gideon Mantell. She is commonly thought to have found the first Iguanodon tooth in 1822

Dinosaur footprints at Swanage
Fossilised footprint of a dinosaur dating back to around 135 million years ago from a Purbeck Stone quarry near Swanage, Dorset, UK. Scientists believe that they may have belonged to the Iguanodon

Iguanodon tooth
Original Iguanodon tooth found by Dr. and Mrs. Mantell. Iguanodon was a large plant eater with cheek teeth for grinding vegetation and hoof-like claws

Dinocochlea
A spiral of rock almost three metres long that looks like a giant snail but is a mystery

Iguanodon bones
A jumble of Iguanodon bones developed originally in 1834 by Gideon Algeronon Mantell (1790-1852). Specimen known as The Maidstone Slab. It dates back to around 140 to 110 million years

Victorian invitation and menu for dinner at Crystal Palace (

Wealden Landscape
Artists impression of vegetation and reptiles of the early Cretaceous, including Iguanodon, in south eastern England

Telmatosaurus transylvanicus
Fossil remains of the lower part of the jaw once belonging to the dinosaur, Telmatosaurus transylvanicus, Transylvanian marsh lizard discovered by Baron Franz von Nopsca at Hunedoara, Romania

Iguanodon arthritic toe
Middle toe of a large Iguanodon with arthritic joint shown by the bony overgrowths (rough ridges) betwen the 3rd & 4th toe bones counting back from the terminal phalanx

Maiasaura
Outline illustration of a Maiasaura

Edmontosaurus skin
A specimen of fossilized skin that once belonged to the dinosaur, Edmontosaurus, a member of the Hadrosaur family. It was discovered in Wyoming, USA and dates back to around 67 million years ago

Dinner in the Iguanodon model
An engraving of a dinner being held at the Crystal Palace inside the first full sized model of an Iguanodon made by Waterhouse Hawkins in 1853

Iguanodon reconstruction by Gideon Mantell

Iguanodon model, 1990s
Studies show that the weight of Iguanodons body was counterbalanced by the heavy tail and that it was able to move on two or four legs. They lived between 140 and 110 million years ago

Iguanodon model at Crystal Palace
A concrete model of the Iguanodon, as conceived by Professor Sir Richard Owen. It is located in the grounds of Crystal Palace, London and was worked on by Waterhouse Hawkins and Joseph Paxton in 1854

Class Reptilia - Dinosauria, or Gigantic Lizards: Iguanadon
Class Reptilia - Dinosauria, or Gigantic Lizards:Iguanadon

Tsintaosaurus
This dinosaur duck-billed and herbivorous. It lived around 70 million years ago during the upper Cretaceous period. It grew up to 8 metres in length and about 4 metres wide

Edmontosaurus laboratory work
Palaeontologists working on the dinosaur, Edmontosaurus. Applying a resin solution hardener to consolidate and protect freshly prepared fossil bones; here the ankle

Iguanodon ischium
Close-up of a ischium, or hip-bone that belonged to the Iguanodon. It was discovered in Sussex and dates back to around 140 to 110 million years ago

Iguanodon model
An Iguanodon model made during the 1940s from a reconstruction by Vernon Edward based on the Bernissart skeletons showing Iguanodon in a strictly two-legged kangaroo-like posture

Iguanodon model 1854
A 1/20 life size model of the dinosaur Iguanodon created by Waterhouse Hawkins in 1854 under the the supervision of Professor Sir Richard Owen. The model measures 40cm

Pachycephalosaurus
Outline illustration of a Pachycephalosaurus

Iguanodon leg
A model cross section of an Iguanodon leg showing the bones, muscles and foot. The Iguanodon was a mainly a bipedal dinosaur. It required large upper thigh muscles for balance and support

Edmontosaurus ankle & foot
The fossil ankle and foot bones of Edmontosaurus prepared for an exhibition at the Natural History Museum, London. The fossils were arranged as if they were lying in the quarry in which they were

Edmontosaurus
Fossil jaw that once belonged to Edmonotosaurus. It shows the interlocking teeth which formed a grating surface for eating tough vegetation

Iguanodon teeth
Some original Iguanodon teeth found by Dr. and Mrs. Mantell. The tooth on the right is 5.3cm long as preserved. Iguanodon was a large plant eater with cheek teeth for grinding vegetation

Iguanodon brain
A partial skull that contains a natural mould (endocast) of the interior of the skull where the brain would sit. This is a representation of the external shape of the Iguanodon brain

Iguanodon thumb spike
A fossil thumb spike that once belonged to Iguanodon, a herbivorous dinosaur that lived 140 to 110 million years ago. It is though to have used its sharp ended thumb to defend itself against predators

Iguanodon metatarsal
A fossil metatarsal (the long bone of the foot) that once belonged to the herbivorous bipedal dinosaur, Iguanodon. The rough patches are where the muscles and tendons were attached to the bone

Iguanodon foot
The right foot of a very large Iguanodon. Some of the toe joints have small frills of bony overgrowth, showing that the dinosaur was suffering from arthritis

Iguanodon hand
Fossil remains of a hand that once belonged to the herbivorous dinosaur, Iguanodon. Notice the very sharpe spike like thumb which is thought to have been used for defending itself against predators

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