The Chipping Norton Limestone is a geological formation in the Cotswolds, England.
It preserves fossils dating back to the Bathonian (Middle Jurassic).
[1][2] Including those of dinosaurs Cetiosaurus, Megalosaurus and Cruxicheiros as well as the Tritylodontid Stereognathus.
It primarily consists of ooidal limestone.
The so-called "Scrotum humanum" remains may have come from this formation.