pterosaur material is stratigraphically present in the Weymouth and Peterborough Members.

Ichthyosaurs

Plesiosaurs

Pachycormiformes

Thalattosuchians

Economic use

Oxford Clay has a porous consistency and is soft and is often used in the making of roads. It is also the source of the Fletton stock brick of which much of London is built. For brick making, the Oxford Clay has the advantage of containing carbon which provides

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