Bay Ogof Hen 061 ft.: Whitlandian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
- Tetragonocrinida
- Tetragonocrinidae
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Ramseyocrinus cambriensis
(Hicks 1873)
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Rhynchonellata
- Orthida
- Orthidae
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Lenorthis alata
(de Sowerby and Murchison 1839)
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| recombined as Paralenorthis alata | |||||||
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Bivalvia
- Cyrtodontida
- Cyrtodontidae
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? Cyrtodonta oboloidea
(Hicks 1873)
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Bivalvia
- Arcida
- Parallelodontidae
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Glyptarca primaeva
Hicks 1873
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Bivalvia
- Actinodontida
- Cycloconchidae
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Actinodonta ramseyensis
(Hicks 1873)
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Bivalvia
- Nuculanida
- Malletiidae
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Praearca cambriensis
(Hicks 1873)
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Bivalvia
- Nuculida
- Praenuculidae
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Praenucula menapiensis
(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 | |||||||
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Trilobita
- Phacopida
- Calymenidae
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Neseuretus ramseyensis
Hicks 1873
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| see common names | |||||||
Geography
| Country: | United Kingdom | State/province: | Wales |
| 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: | Bay Ogof Hen | Local bed: | 61 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 mudstone |
| Lithology description: Cleaved micaceous silty mudstones with shelly layers. | |
| Environment: | transition zone/lower shoreface |
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
| Database number: | 3714 | ||
| Authorizer: | A. Miller, P. Wagner | Enterer: | P. Novack-Gottshall, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1999-08-07 19:04:33 | Last modified: | 2019-05-27 14:14:43 |
| Access level: | the public | Released: | 1999-08-07 19:04:33 |
| 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] |