Researchers have unearthed 200 large dinosaur footprints in Oxfordshire, believed to be the biggest site of its kind in the UK. They are from two types of dinosaurs, thought to be the herbivorous cetiosaurus and the carnivorous megalosaurus. The longest trackways are 150 metres in length, and only part of the quarry has been excavated

• Trackways of large dinosaur footprints found in Oxfordshire quarry