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Pontyfeni Fm, B. rushtoni biozone, Whitland, UK (Ordovician of the United Kingdom)

Where: England, United Kingdom (52.0° N, 5.0° W: paleocoordinates 66.0° S, 20.5° W)

• local area-level geographic resolution

When: Begamia rushtoni trilobite zone, Pontyfenni Formation, Arenig (478.6 - 466.0 Ma)

• Sometimes Pont y Fenni

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified shale and chert

• Dark mudstone with siliceous nodules; deep (> 200 m) but oxygenated setting with blind trilobites

Size class: macrofossils

Preservation: mold/impression

Primary reference: R. A. Fortey and R. M. Owens. 1978. Early Ordovician (Arenig) stratigraphy and faunas of the Carmarthen District, South -west Wales. Bulletin of the British Museum of Natural History (Geology) 30(3):225-294 [A. Miller/P. Novack-Gottshall] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3704: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.08.1999

Creative Commons license: CC BY (attribution)