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.
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.
Megalosaurus
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Megalosaurus is an extinct genus of large carnivorous theropod dinosaurs of the Middle Jurassic Epoch of southern England. Although fossils from other areas have been assigned to the genus, the only certain remains of Megalosaurus come from Oxfordshire and date to the late Middle Jurassic.
The cover of Robert Plot's Natural History of Oxfordshire, 1677 (right). Plot's illustration of the lower extremity of the femur dubbed "Scrotum humanum" (left)
Lithography from William Buckland's "Notice on the Megalosaurus or great Fossil Lizard of Stonesfield", 1824. Caption reads "anterior extremity of the right lower jaw of the Megalosaurus from Stonesfield near Oxford".
Referred tail vertebra, BMNH 9672. The top of its neural spine has broken off, which would have been about twice as long