barn in Glyn Ceiriog: Longvillian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Asteroidea
- Euaxosida
- Palasterinidae
|
|||||||
|
Siluraster caemorensis n. sp.
Botting et al. 2011
|
2 individuals | ||||||
| see common names | |||||||
Geography
| Country: | United Kingdom | State/province: | Wales | County: | Powys |
| Coordinates: | 52.9° North, 3.2° West (view map) | ||||
| Paleocoordinates: | 52.3° South, 18.0° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | hand sample |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Sandbian | 10 m.y. bin: | Ordovician 4 |
| Key time interval: | Longvillian | ||
| Age range of interval: | 457.40000 - 455.20000 m.y. ago |
Stratigraphy
| Formation: | Bryn Siltstone | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: probably from the Caradoc Teirw Siltstone or Bryn Siltstone | |||||
Lithology and environment
| Primary lithology: | lithified siltstone |
| Includes fossils? | Y |
| Lithology description: The Caradoc succession in Glyn Ceiriog consists of a sequence of shallow-shelf sedimentary rocks interbedded with volcaniclastics, attributed to the Soudleyan and Longvillian sub-stages. | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all microfossils |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 128237 | ||
| Authorizer: | L. Villier | Enterer: | L. Villier | Research group: | marine invertebrate |
| Created: | 2012-06-03 23:23:10 | Last modified: | 2012-06-03 08:23:10 |
| Access level: | the public | Released: | 2012-06-03 23:23:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 41886. | J. P. Botting, P. Appleton, L. A. Muir, J. Malpas, and K. Riddington. 2011. A new species of Siluraster (Echinodermata: Asteroidea) from the Late Ordovician of North Wales. Geological Journal 46:427-433 [L. Villier/L. Villier] |