Sowerbyella Assem Phase 2 Samp C3, Conglomerates, Ffairfach Group: Late/Upper Llanvirn, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Hexactinellida
- Lyssacinosa
- Stiodermatidae
|
|||||||
|
Hyalostelia fasicula
|
|||||||
|
Crinoidea
|
|||||||
|
Crinoidea indet.
Miller 1821
|
|||||||
|
unclassified
|
|||||||
|
Bryozoa indet.
Ehrenberg 1831
|
4 individuals | ||||||
|
Stenolaemata
- Trepostomata
|
|||||||
|
Trepostomata indet.
Ulrich 1882
|
5 individuals | ||||||
|
Rhynchonellata
- Orthida
- Dalmanellidae
|
|||||||
|
Dalmanella parva
Williams 1949
|
12 individuals | ||||||
|
Rhynchonellata
- Orthida
- Harknessellidae
|
|||||||
|
Horderleyella convexa
|
4 individuals | ||||||
|
Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
|
|||||||
|
Rostricellula triangularis
|
5 individuals | ||||||
|
Strophomenata
- Strophomenida
- Sowerbyellidae
|
|||||||
|
Sowerbyella antiqua
Jones 1928
|
51 individuals | ||||||
| recombined as Sowerbyella (Sowerbyella) antiqua | |||||||
|
Strophomenata
- Orthotetida
- Triplesiidae
|
|||||||
|
Oxoplecia nantensis
|
4 individuals | ||||||
|
Gastropoda
|
|||||||
|
Gastropoda indet.
Cuvier 1795
|
1 individual | ||||||
|
Trilobita
- Asaphida
- Asaphidae
|
|||||||
|
Basilicus tyrannus
(Murchison 1839)
|
3 individuals | ||||||
|
Trilobita
- Phacopida
- Calymenidae
|
|||||||
|
Flexicalymene cambriensis
(Salter 1865)
|
2 individuals | ||||||
| recombined as Flexicalymene cambrensis | |||||||
| see common names | |||||||
Geography
| Country: | United Kingdom |
| Coordinates: | 52.0° North, 4.0° West (view map) |
| Paleocoordinates: | 58.0° South, 19.7° West |
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
| Key time interval: | Late/Upper Llanvirn | Graptolite zone: | Hustedograptus teretiusculus |
| Age range of interval: | 461.30000 - 458.40000 m.y. ago |
Stratigraphy
| Geological group: | Ffairfach | Formation: | Ffairfach Conglomerate | ||
| Local section: | Ffairfach | Local bed: | C3 | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Ffairfach Section Sample C3
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: | lithified conglomerate |
| Secondary lithology: | lithified sandstone |
| 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: | 69598 | ||
| Authorizer: | A. Miller | Enterer: | A. Miller |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2007-02-27 17:12:09 | Last modified: | 2018-04-12 16:53:22 |
| Access level: | the public | Released: | 2007-02-27 17:12:09 |
| 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] |