Sericoidea Association, Bala, Wales, UK: Soudleyan - Marshbrookian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Phacopida
- Acastidae
|
||||||||||
|
Kloucekia sp.
Delo 1935
|
||||||||||
|
Trilobita
- Trinucleida
- Trinucleidae
|
||||||||||
|
Broeggerolithus sp.
Lamont 1935
|
||||||||||
|
Gastropoda
- Bellerophontida
|
||||||||||
|
Bellerophon sp.
de Montfort 1808
|
||||||||||
|
= Bellerophontoidea indet.
M'Coy 1851
|
Wagner 2023 | |||||||||
|
Strophomenata
- Strophomenida
- Aegiromenidae
|
||||||||||
|
Sericoidea sp.
Lindström 1953
|
||||||||||
|
Rhynchonellata
- Orthida
- Dalmanellidae
|
||||||||||
|
? Howellites sp.
(Bancroft 1945)
|
||||||||||
| originally entered as "Howellites? sp." | ||||||||||
|
Rhynchonellata
- Orthida
- Harknessellidae
|
||||||||||
|
Reuschella sp.
Bancroft 1928
|
||||||||||
|
Rhynchonellata
- Atrypida
- Cyclospiridae
|
||||||||||
|
Cyclospira sp.
Hall and Clarke 1893
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | Wales |
| Coordinates: | 53.0° North, 4.0° West (view map) | ||
| Paleocoordinates: | 50.0° South, 18.4° West | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late Ordovician |
| Stage: | Sandbian | 10 m.y. bin: | Ordovician 4 |
| *Period: | Late/Upper Ordovician | *Epoch: | Middle Caradoc |
| *International age/stage: | Soudleyan - Marshbrookian | *Local age/stage: | Soudleyan - Marshbrookian |
| Key time interval: | Soudleyan - Marshbrookian | ||
| Age range of interval: | 458.4 - 454.2 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Nod Glas | Member: | Dyfi Mudstone |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | pyritic lithified "shale" |
| Secondary lithology: | "limestone" |
| Environment: | offshore |
| Geology comments: Dark graptolitic and pyritic mudstones with occasional limestone nodules | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 3373 | ||
| Authorizer: | A. Miller, P. Wagner | Enterer: | P. Novack-Gottshall, P. Wagner |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 1999-07-31 08:04:41 | Last modified: | 2018-11-26 16:46:03 |
| Access level: | the public | Released: | 1999-07-31 08:04:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 165. | M. G. Lockley. 1980. The Caradoc faunal associations of the area between Bala and Dines, North Wales. Bulletin of the British Museum of Natural History (Geology) 33(3):165-235 [A. Miller/P. Novack-Gottshall] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |