Metriacanthosaurus
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Metriacanthosaurus is a genus of metriacanthosaurid dinosaur from the Oxford Clay Formation of England, dating to the Late Jurassic period, about 160 million years ago. It is the only metriacanthosaur
Life restoration
Metriacanthosaurus parkeri ilium
Zuolong salleei
Alioramus Life Restoration
Altispinax
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Altispinax is a genus of large predatory theropod dinosaur from the Early Cretaceous period of what is now the Wadhurst Clay Formation of East Sussex, England.
Metriacanthosaurus
…to a new species of Megalosaurus: Megalosaurus parkeri. The specific name honours W. Parker. In 1932, however, von Huene concluded it was a species of Altispinax, A. parkeri. In 1964, scientist Alick Walker decided these fossils were too different from Altispinax, as they lacked the long vertebral spines, and…
Becklespinax
The humped Megalosaurus in Crystal Palace Park, London.
Von Meyer's restoration of Megalosaurus with long neural spines
Foot claw (specimen BMNH 2482) provisionally referred to Altispinax by von Huene in 1926. Natural History Museum, London.