Cromhall Quarry Site 4 Level J: Carnian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Clevosauridae
|
|||||||
|
Clevosaurus sp.
Swinton 1939
|
|||||||
|
Reptilia
|
|||||||
|
Planocephalosaurus sp.
Fraser 1982
|
|||||||
|
Reptilia
- Sphenodontidae
|
|||||||
|
Sigmala sp.
Fraser 1986
|
|||||||
|
Reptilia
- Kuehneosauridae
|
|||||||
|
Kuehneosaurus sp.
Robinson 1962
|
|||||||
|
Reptilia
- Thecodontia
|
|||||||
|
Thecodontia indet.
Owen 1859
|
|||||||
| see common names | |||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | Gloucestershire |
| Coordinates: | 51.6° North, 2.5° West (view map) | ||||
| Paleocoordinates: | 20.6° North, 6.5° East | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late Triassic |
| Stage: | Carnian | 10 m.y. bin: | Triassic 3 |
| *Period: | Late/Upper Triassic - Late/Upper Triassic | ||
| *International age/stage: | Norian - Norian | ||
| Key time interval: | Carnian | ||
| Age range of interval: | 237 - 227 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Local section: | Cromhall | Local bed: | Level J | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: age uncertain | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Secondary lithology: | green,red or brown mudstone |
| Includes fossils? | Y |
| Lithology description: red or green mudstones interbedded with thin limestones largely composed of recemented detrital crinoid debris | |
| Environment: | karst indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | medium |
| Disassociated minor elements: | all |
| Fragmentation: | frequent |
| Temporal resolution: | condensed |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Slickstones | ||
| Database number: | 13179 | ||
| Authorizer: | E. Fara | Enterer: | E. Fara |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2002-01-25 04:31:35 | Last modified: | 2024-02-16 10:24:59 |
| Access level: | the public | Released: | 2002-01-25 04:31:35 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 4380. | 5% 27000 | N. C. Fraser and G.M. Walkden. 1983. The ecology of a Late Triassic reptile assemblage from Gloucestershire, England. Palaeogeography, Palaeoclimatology, Palaeoecology 42:341-365 [E. Fara/E. Fara/E. Fara] |
Secondary references:
| 87573 | M. J. Simms and K. Drost. 2024. Caves, dinosaurs and the Carnian Pluvial Episode: Recalibrating Britain’s Triassic karst ‘fissures'. Palaeogeography, Palaeoclimatology, Palaeoecology 638:112041 [M. Carrano/M. Carrano] |