Bay Ogof Hen 060 ft.: Whitlandian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Phacopida - Calymenidae
Neseuretus ramseyensis Hicks 1873
Trilobita - Asaphida - Asaphidae
? Megalaspidella murchisoniae (Murchison 1839)
recombined as Merlinia murchisoniae
Bivalvia - Nuculanida - Malletiidae
Praearca cambriensis (Hicks 1873)
Carter 1971
Bivalvia - Nuculida - Praenuculidae
Praenucula menapiensis (Hicks 1873)
Carter 1971
Bivalvia - Cyrtodontida - Cyrtodontidae
? Cyrtodonta oboloidea (Hicks 1873)
Carter 1971
Bivalvia - Arcida - Parallelodontidae
Glyptarca primaeva Hicks 1873
Carter 1971
Bivalvia - Actinodontida - Cycloconchidae
Actinodonta ramseyensis (Hicks 1873)
Carter 1971
Rhynchonellata - Orthida - Orthidae
Lenorthis alata (de Sowerby and Murchison 1839)
recombined as Paralenorthis alata
Orthambonites sp. Pander 1830
Crinoidea - Tetragonocrinida - Tetragonocrinidae
Ramseyocrinus cambriensis (Hicks 1873)
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]