Bay Ogof Hen 060 ft.: Whitlandian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita
- Phacopida
- Calymenidae
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Neseuretus ramseyensis
Hicks 1873
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Trilobita
- Asaphida
- Asaphidae
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? Megalaspidella murchisoniae
(Murchison 1839)
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recombined as Merlinia murchisoniae | |||||||
Bivalvia
- Nuculanida
- Malletiidae
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Praearca cambriensis
(Hicks 1873)
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Carter 1971 | ||||||
Bivalvia
- Nuculida
- Praenuculidae
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Praenucula menapiensis
(Hicks 1873)
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Carter 1971 | ||||||
Bivalvia
- Cyrtodontida
- Cyrtodontidae
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? Cyrtodonta oboloidea
(Hicks 1873)
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Carter 1971 | ||||||
Bivalvia
- Arcida
- Parallelodontidae
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Glyptarca primaeva
Hicks 1873
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Carter 1971 | ||||||
Bivalvia
- Actinodontida
- Cycloconchidae
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Actinodonta ramseyensis
(Hicks 1873)
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Carter 1971 | ||||||
Rhynchonellata
- Orthida
- Orthidae
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Lenorthis alata
(de Sowerby and Murchison 1839)
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recombined as Paralenorthis alata | |||||||
Orthambonites sp.
Pander 1830
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Crinoidea
- Tetragonocrinida
- Tetragonocrinidae
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Ramseyocrinus cambriensis
(Hicks 1873)
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see common names |
Geography
Country: | United Kingdom | State/province: | Wales | County: | Ramsey Island |
Coordinates: | 51.9° North, 5.3° West (view map) | ||||
Paleocoordinates: | 68.4° South, 21.5° West | ||||
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Early/Lower Ordovician |
Stage: | Floian | 10 m.y. bin: | Ordovician 2 |
*Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Arenig |
Key time interval: | Whitlandian | ||
Age range of interval: | 474.30000 - 471.10000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Ogof Hen | Member: | Porth Gain Beds | ||
Local section: | Ogof Hen | Local bed: | Bay Ogof Hen ft | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: JA: originally entered as Arenig, but the Ogof Hen Formation is Moridunian. PJW: Porth Gain beds (sometimes put in Porth Gain formation) are Whitlandian. |
Lithology and environment
Primary lithology: | micaceous lithified silty "shale" |
Lithology description: Cleaved micaceous silty mudstones with shelly layers. | |
Environment: | transition zone/lower shoreface |
Geology comments: Cleaved micaceous silty mudstones with shelly layers |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some macrofossils |
Reason for describing collection: | taxonomic analysis |
Taxonomic list comments:Systematics of trilobites, brachiopods, and bivalves |
Metadata
Also known as: | N.G.R. 708252 | ||
Database number: | 3713 | ||
Authorizer: | A. Miller, P. Wagner | Enterer: | P. Novack-Gottshall, P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 1999-08-07 19:04:29 | Last modified: | 2019-05-27 14:14:11 |
Access level: | the public | Released: | 1999-08-07 19:04:29 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
174. | D. E. B. Bates. 1969. Some early Arenig brachiopods and trilobites from Wales. Bulletin of the British Museum of Natural History 18(1):1-28 [A. Miller/P. Novack-Gottshall/J. Ju] |
Secondary references:
51271 | R. M. Carter. 1971. Revision of Arenig Bivalvia from Ramsey Island, Pembrokeshire. Palaeontology 14(2):250-261 [P. Wagner/P. Wagner] |