Coln Quarry, Lechlade: Callovian, United Kingdom
collected by J. Wyman
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ophiuroidea
- Ophiurida
- Ophiopyrgidae
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| Ewin and Thuy 2017 | |||||||
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Ophiuroidea
- Amphilepidida
- Ophiolepididae
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Enakomusium sp.
Thuy 2015
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| Ewin and Thuy 2017 | |||||||
| see common names | |||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | Gloucestershire |
| Coordinates: | 51.7° North, 1.7° West (view map) | ||||
| Paleocoordinates: | 35.4° North, 18.6° East (Wright 2013) |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Callovian | ||
| Age range of interval: | 165.3 - 161.5 m.y. ago |
Stratigraphy
| Geological group: | Ancholme | Formation: | Oxford Clay | Member: | Peterborough |
| Local section: | Jason zone | Local bed: | fissile grey shaly clay |
Lithology and environment
| Primary lithology: | tabular claystone |
| Includes fossils? | Y |
| Lithology description: fissile grey shaly clay | |
| Environment: | open shallow subtidal |
| Geology comments: warm euhaline shallow shelf sea | |
Taphonomy
| Modes of preservation: | body,original calcite,replaced with pyrite |
| Size of fossils: | macrofossils,mesofossils,microfossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | good |
| Fragmentation: | occasional |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | BMNH |
| Collectors: | J. Wyman |
Metadata
| Database number: | 182912 | ||
| Authorizer: | V. Syverson | Enterer: | V. Syverson |
| Modifier: | M. Carrano | Research group: | marine invertebrate |
| Created: | 2016-11-28 13:40:00 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2016-11-28 13:40:00 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 61021. | T. A. M. Ewin and B. Thuy. 2015. Two new British Mesozoic ophiuroid localities, primary observations and determinations. In S. Zamora, I. Rábano (eds.), Progress in Echinoderm Paleobiology, Cuadernos del Museo Geominero 19:53-57 [V. Syverson/V. Syverson] |
Secondary references:
| 62465 | T. A. M. Ewin and B. Thuy. 2017. Brittle stars from the British Oxford Clay: unexpected ophiuroid diversity on Jurassic sublittoral mud bottoms. Journal of Paleontology 91(4):781-798 [V. Syverson/V. Syverson/M. Uhen] |