Diapsida Collection (#14)

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

Temnodontosaurus platyodon (Conybeare)
The skull of Temnodontosaurus platyodon, an Ichthyosaurus which lived between 201 and 194 million years ago in the Lower Jurassic. It was discovered by Mary Annings brother in 1811 in Lyme Regis

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

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

Working on Gallimimus
John Holmes at the Natural History Museum, London works on the reconstruction of the dinosaur Gallimimus

Protoceratops eggs
A nest containing eggs from Protoceratops discovered in the Gobi Desert, Mongolia. They date back to the Upper Cretacous period. Protoceratops, a herbivore, lived 85 to 80 million years ago

Psittacosaurus

Pterodactyl kochi

Scelidosaurus
A model of the dinosaur Scelidosaurus. A four metre long armoured skinned dinosaur which lived during the Lower Jurassic about 208 - 194 million years ago, first discribed by Richard Owen in 1868

Diplodocus foot
Detail of the replica diplodocus skeleton on display at the Natural History Museum. The three inner toes of the back foot had sharp claws which may have acted as an anti-slip device

Apatosaurus, previously known as Brontosaurus
A solid pillar-like femur, or thigh bone that once supported the 20 to 30 tonne dinosaur, Apatosaurus. This specimen is 1.5 metres long

Brachiosaur back vertebra
A specimen of a back vertebra that once belonged to a dinosaur from the Brachiosauridae family. This family of dinosaurs lived during the Jurassic and Cretaceous period

Protoceratops eggshell
Fossilized Protoceratops eggshell that was discovered in the Gobi Desert, Mongolia. They date back to around 100 million years ago to the Upper Cretaceous period. Protoceratops was a herbivore

Caprimulgus carolinensis, chuck-wills widow
Plate 52 from John James Audubons Birds of America, original double elephant folio (1827-30), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Edmontonia
The collar plates that once belonged to Edmontonia, the armoured herbivorous dinosaur that lived 76 to 78 million years ago during the Upper Cretaceous. Fossils have been found in Alberta, Canada

Ichthyosaur, Stenopterygius quadriscissus (Quenstedt) close-
This Ichthyosaur has been preserved with the broken-up skeletons of the unborn young inside. A fourth may have just been born - its skeleton can be seen below her tail

Baryonyx excavations
Team from the Natural History Museum, London at work on the excavation of the dinosaur Baryonyx walkeri at the Ockley brick pit in Surrey, England in June 1983

Dimorphodon macronyx
The fossil skull and lower jaw belonging to Dimorphodon macronyx. It was a giant flying reptile, or Pterosaur that lived during the Lower Jurassic period

Megalosaurus thigh bone
A human thigh-bone figured as item 4 on TAB VIII by Dr. R Plot in The Natural History of Oxfordshire in 1677 is actually a dinosaur thigh-bone, probably Megalosaurus

Gasosaurus was a flesh-eating bipedal dinosaur which lived during the middle Jurassic, about 160 mya. It was up to 4 metres long and 2 metres high with short arms

Megalosaurus jaw
A fragment of a lower jaw that once belonged to the carnivorous dinosaur Megalosaurus. Throughout a dinosaurs life young teeth pushed up to replace old teeth

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

Albertosaurus metatarsals
Skeletal reconstruction of Albertosaurus showing the hind leg and foot. The upper foot bones of this Albertosaurus are locked together for strength, perhaps to withstand the stresses of running

Dinosaur footprint
Fossil footprints belonging to a three toed dinosaur (Tridactyl)

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

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