Dalmanella Assem Phase 3 Samp A7, Ashes and Lavas, Ffairfach Group: Llandeilo, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Strophomenida
- Rafinesquinidae
|
|||||||
Macrocoelia llandeiloensis
(Davidson 1871)
|
3 individuals | ||||||
Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
|
|||||||
Rostricellula triangularis
|
1 individual | ||||||
Rhynchonellata
- Orthida
- Linoporellidae
|
|||||||
Salopia turgida
|
1 individual | ||||||
Rhynchonellata
- Orthida
- Dalmanellidae
|
|||||||
Dalmanella parva
Williams 1949
|
30 individuals | ||||||
unclassified
|
|||||||
Bryozoa indet.
Ehrenberg 1831
|
1 individual | ||||||
Stenolaemata
- Trepostomata
|
|||||||
Trepostomata indet.
Ulrich 1882
|
6 individuals | ||||||
Hexactinellida
- Lyssacinosa
- Stiodermatidae
|
|||||||
Hyalostelia fasicula
|
41 individuals | ||||||
see common names |
Geography
Country: | United Kingdom |
Coordinates: | 52.0° North, 4.0° West (view map) |
Paleocoordinates: | 54.1° South, 19.4° West |
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Middle Ordovician |
Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
Key time interval: | Llandeilo | Graptolite zone: | Hustedograptus teretiusculus |
Age range of interval: | 461.30000 - 458.40000 m.y. ago |
Stratigraphy
Formation: | Ffairfach Ashes and Lavas | ||||
Local section: | Ffairfach | Local bed: | A7 | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Ffairfach Section Sample A7
JA: originally entered as Lower Llandeilo and resolved to the formation level, but Upper Llanvirn according to the authors and certainly resolved to the bed level |
Lithology and environment
Primary lithology: | tuffaceous lithified siltstone |
Secondary lithology: | lithified "shale" |
Environment: | transition zone/lower shoreface |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | bulk,sieve |
Reason for describing collection: | paleoecologic analysis |
Taxonomic list comments:Brachiopod faunal associations |
Metadata
Database number: | 69595 | ||
Authorizer: | A. Miller | Enterer: | A. Miller |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2007-02-27 17:08:39 | Last modified: | 2018-04-10 19:43:05 |
Access level: | the public | Released: | 2007-02-27 17:08:39 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
162. | A. Williams, M. G. Lockley, and J. M. Hurst. 1981. Benthic palaeocommunities represented in the Ffairfach Group and coeval Ordovician successions of Wales. Palaeontology 24(4):661-694 [A. Miller/P. Novack-Gottshall/J. Alroy] |