Jurassic Archive

Dimorphodon

The first fossil remains now attributed to Dimorphodon were found in England by fossil collector Mary Anning, at Lyme Regis in Dorset, UK in December 1828. This region
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Pterodactylus

Pterodactylus, like related pterosaurs, had a crest on its skull composed mainly of soft tissues. In adult Pterodactylus, this crest extended between the back edge of the antorbital
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Allosaurus

The skull and teeth of Allosaurus were modestly proportioned for a theropod of its size. Paleontologist Gregory S. Paul gives a length of 845 mm (33.3 in) for
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Camarasaurus

There is a fossil record of two adults and a 12.2 meter (40 ft) long juvenile that died together in the Late Jurassic Period, approximately 150 million years
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Diplodocus

The skull of Diplodocus was very small, compared with the size of the animal, which could reach up to 35 m (115 ft), of which over 6 m
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Apatosaurus

The skull was small in comparison with the size of the animal. The jaws were lined with spatulate (chisel-like) teeth, suited to a herbivorous diet. The snout of
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Brachiosaurus

Unusually for a sauropod, the forelimbs were longer than the hind limbs. The humerus (upper arm bone) of Brachiosaurus was relatively lightly built for its size, measuring 2.04
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Stegosaurus

The quadrupedal Stegosaurus is one of the most easily identifiable dinosaur genera, due to the distinctive double row of kite-shaped plates rising vertically along the rounded back and
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Dilophosaurus

Dilophosaurus is considered to have been an obligate biped based on the presence of long hindlimbs oriented vertically under the pelvis, and short forelimbs that did not support
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Archaeopteryx

Archaeopteryx lived during the early Tithonian stage of the Jurassic period, approximately 150.8–148.5 million years ago. Most of the specimens of Archaeopteryx that have been discovered come from
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