Chipping Norton Limestone
Geological formation in the Cotswolds, England
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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.
TypeFormation
Unit ofGreat Oolite Group
UnderliesFuller's Earth & Sharp's Hill Formations
OverliesGrantham, Northampton Sand & Whitby Mudstone Formations
| Chipping Norton Limestone | |
|---|---|
| Stratigraphic range: Bathonian ~ | |
Exposure of the Hook Norton Member at Hook Norton Cutting and Banks | |
| Type | Formation |
| Unit of | Great Oolite Group |
| Underlies | Fuller's Earth & Sharp's Hill Formations |
| Overlies | Grantham, Northampton Sand & Whitby Mudstone Formations |
| Thickness | 0–12 m (0–39 ft) |
| Lithology | |
| Primary | Limestone |
| Other | Mudstone |
| Location | |
| Coordinates | 52.0°N 1.6°W |
| Approximate paleocoordinates | 41.6°N 8.8°E |
| Region | England |
| Country | United Kingdom |
| Extent | North Gloucestershire, north Oxfordshire |
| Type section | |
| Named for | Chipping Norton |
  Chipping Norton Limestone (England)  Chipping Norton Limestone (Oxfordshire) | |
Fossil content
The so-called "Scrotum humanum" remains may have come from this formation.[1]
| Dinosaurs | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Alocodon[3] | Indeterminate[3] | Gloucestershire[4] | Actually indeterminate ornithischian remains.[4] | |||
| Cetiosaurus[5] | C. giganteus[6] | Oxfordshire[6] | Actually indeterminate sauropod remains.[6] | |||
| Indeterminate[5] | Actually indeterminate sauropod remains.[6] | |||||
| Dromaeosauridae[7] | Indeterminate[7] | Oxfordshire[7] | Woodeaton Quarry[7] | "Teeth"[7] | Indeterminate teeth. Remains represent three genera.[7] Same species also present in the Forest Marble Formation. | |
| Megalosaurus[5] | Indeterminate[5] | Oxfordshire remains later found to be from an indeterminate theropod.[6] |  | |||
| Lexovisaurus[6] | L. durobrivensis[6] | Oxfordshire[6] | ||||
| Phyllodon[8] | Indeterminate[8] | Gloucestershire[4] | Actually indeterminate ornithischian remains.[4] | |||
| Stegosauria[4] | Indeterminate[4] | Gloucestershire[4] | Previously assigned to Stegosaurus sp. and (tentatively) Omosaurus vetustus.[4] |  | ||
| Streptospondylus[6] | S. cuvieri[6] | Oxfordshire[6] | "Vertebrae [and] limb elements."[9] | Actually indeterminate theropod remains.[6] | ||
| Troodontidae[7] | Indeterminate[7] | Oxfordshire[7] | Hornsleasow Quarry[7] | "Tooth"[7] | Specimen GCLRM G8-23.[7] | |
| Therizinosauroidea[7] | Indeterminate[7] | Oxfordshire[7] | Hornsleasow Quarry[7] | "Tooth"[7] | Specimen GCLRM G167-32. First record of Therizinosauroidea in Europe.[7] | |
Color key
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Notes Uncertain or tentative taxa are in small text; |