Aust Cliff bone bed (Cook coll, Bristol): Rhaetian, United Kingdom
collected by J. Cook
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Malacostraca
- Decapoda
- Coleiidae
|
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Tropifer laevis
Gould 1857
|
1 specimen | |||||||||
| cb. 3984 Cook collection, Bristol City Museum | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | Gloucestershire |
| Coordinates: | 51.6° North, 2.6° West (view map) | ||||
| Paleocoordinates: | 34.3° North, 8.8° East (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late Triassic |
| Stage: | Rhaetian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Rhaetian | ||
| Age range of interval: | 205.7 - 201.4 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lenticular lithified sandy conglomerate |
| Includes fossils? | Y |
| Lithology description: "lenses of grit or intra-formational conglomerate (or breccia) of sedimentary rocks with a calcite-cemented sandy matrix" | |
| Environment: | coastal indet. |
| Geology comments: marine coastal conditions, possibly a result of a storm or the Rhaetian transgression | |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | -bonebed |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | J. Cook |
| Collection method comments: Repository: Cook collection, Bristol City Museum | |
Metadata
| Database number: | 225932 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2022-06-08 12:21:23 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2022-06-08 12:21:23 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 81836. | C. J. Duffin. 1978. Tropifer laevis Gould (Coleiidae: Crustacea) and a new crustacean from the Rhaetian bone bed of Aust Cliff, Avon. Zoological Journal of the Linnean Society 64:177-185 [M. Clapham/M. Clapham] |
Secondary references:
| 81935 | H. Woods. 1925. A Monograph of the Fossil Macrurous Crustacea of England, Part I 1-16 [M. Clapham/M. Clapham] |