Where: Wales, United Kingdom (51.9° N, 5.3° W: paleocoordinates 68.4° S, 21.5° W)

• local area-level geographic resolution

When: Porth Gain Beds Member (Ogof Hen Formation), Whitlandian (473.8 - 470.7 Ma)

• JA: originally entered as Arenig, but the Ogof Hen Formation is Moridunian. PJW: Porth Gain beds (sometimes put in Porth Gain formation) are Whitlandian.

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, micaceous, silty mudstone

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3714: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.08.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)