Archosauria Collection (page 8)

Pachyrhinosaurus
This dinosaur, whose name means thick nosed lizard was a herbivore living during the Upper Cretaceous period, 76-74 million years ago

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

Tuojiangosaurus
A skeleton of the dinosaur Tuojiangosaurus on display in the Natural History Museum. This dinosaur lived around 157 to 154 million years ago and its fossils have been discovered in China

Lesothosaurus
This dinosaur was a bipedal herbivore. It lived between 205 and 180 million years ago during the Lower Jurassic period. It was a small, (1 metre in lengh) primative ornithopod

Gallimimus, Tyrannosaurus & Diplodocus
Gallimimus (top left). This was a 6 metre long omnivore which lived 74 mya. Tyrannosaurus (top right), the famous carnivore lived 67 mya, and Diplodocus (bottom)

Iguanodon atherfieldensis
This is one of the most complete skeletons of an Iguanodon discovered in the British Isles. It was collected by R.W. Hardy in 1917 in the shales on the Isle of Wight

Diplodocus, Euoplocephalus & Hypsilophodon
Euoplocephalus (top left). This was an armoured herbivore living 76 mya. Hypsilophodon (tor right) was an earlier, bipedal herbivore which lived 125 mya

Ceratosaurus
Anterior skeleton of the bipedal carnivorous dinosaur, Ceretosaurus, mounted for display at the US National Museum of Natural History, Washington DC. This dinosaur lived 150 to 144 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

Edmontosaurus regalis skeleton
Fossil skeleton of Edmontosaurus regalis in its death position still half buried in sandstone rock. Dates back to the Upper Cretaceous perido, about 71 million years old. Discovered in Alberta, Canada

Iguanodon reconstruction by Gideon Mantell

Proceratosaurus fossil skull
A fossil skull that belonged to Proceratosaurus, a carnivorous, dinosaur from the suborder of Theropods that lived during the Middle Jurassic period around 169 - 164 mya

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

Ankylosaur skin nodule
This nodule would have been attached to the dinosaurs back by its flat base with the broad ridge providing protection. The Ankylosaurs were a family of dinosaurs characterised by thick bony plated

Polacanthus skin impression
Knobbly skin impression from the armoured dinosaur, Polacanthus. This dinosaur lived around 125 million years ago during the Lower Cretaceous. Its fossils have been found in the Isle of Wight, UK

Hypsilophodon leg
Cross section model to show how Hypsilophodons large, strong leg-moving muscles were concentrated on the thigh and hip to allow the long lower leg to swing fast through a long stride

Heterodontosaurus skull
The skull of a Heterodontosaurus dinosaur that lived around 105 million years ago. It was discovered in South Africa and measures 10 cms in length. The total body lengh would have been 90 cms

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

Diplodocus presented to the museum, 1905
The cast of Diplodocus carnegii was presented by the Scottish-American industrialist Andrew Carnegie. The original skeleton, excavated in Wyoming, is in the Carnegie Museum of Natural History

Mr William Walker
Holding a Baryonyx claw. Baryonyx was found in 1983 in a clay pit in Surrey, England, by the British amateur fossil hunter William Walker

Sauropod skin impression
Dinosaurs belonging to the suborder of Sauropods (Sauropoda) like diplodocus had a relatively smooth skin covered in scales of different sizes

Early Cretaceous landscape, Southern England
Artists impression of an Early Cretaceous (144 to 90 million years ago) landscape in Southern England, with Iguanodon, turtle, and crocodiles

Iguanodon atherfieldensis skull
The skull belonging to Iguanodon atherfieldensis measuring 450mm long. The fossil was discovered along with a complete skeleton in Brook Bay, Isle of Wight and collected by R.W. Hardy in 1917

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

Diplodocus carnegiei skull
The skull belonging to the replica skeleton of Diplodocus carnegiei on display at the Natural History Museum, London. The slender teeth would have raked leaves from branches

Deinocheirus
A pair of arms complete with 30 cm claws on each hand once belonging to Deinocheirus, an Upper Cretactous carnivorous dinosaur. This specimen was discovered in Mongolia

Dilophosaurus
The Dilophosaurus, meaning double crested lizard was a fast predatory dinosaur which lived about 200 to 189 million years ago during the Lower Jurassic. Fossils have been found in Arizona, USA

Plateosaurus
A fossil reconstruction of the hand and lower leg bones belonging to the dinosaur, Plateosaurus. These dinosaurs were wer herbivorous and may have used these sharp claws for defence

Triceratops skull
Side view of a Triceratops skull on display at the Natural History Museum, London. This specimen has moved from this location and can now be seen in the Dinosaur Gallery

Lower Jurassic dinosaurs discovered in England
An illustration showing scene in Lower Jurassic (175 - 200 mya) South England, featuring a Megalosaurus (above) catching sight of a possible victim, the primitive ornithischian Scelidosaurus dinosaur

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

Huayangosaurus skull
A fossil skull that once belonged to Huayangosaurus, a dinosaur from the infraorder Stegosauria. This specimen was discovered in Sichuan, China in 1982

Sauropod excavation, 1988
Team cleaning exposed elements of the fore and hind limbs of a Sauropod dinosaur in Niger, 1988

Dryosaurus hollow bone structure
Fragmented femur from Dryosaurus, a fast running herbivorous dinosaur that lived during the Late Jurassic period, 155 to 140 million years ago. Fossil evidence has been discovered in Tanzania and USA

Jurassic seascape
Artists impression of a Jurassic sea with Ichthyosaur, Plesiosaur and Pterosaur. The Jurassic period was 205-144 million years ago

Dinosaurs discovered in western USA
A scene from Upper Cretacous western United States showing the following dinosaurs from left: Pachycephalosaurus, Ornithomimus, Triceratops and Tyrannosaurus rex

Mounted specimen of Crocodylus sp. crocodile
Photograph of a mounted crocodile specimen from the collections of the Natural History Museum, London

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