Where: United Kingdom (51.9° N, 5.3° W: paleocoordinates 68.4° S, 21.4° W)

• coordinate estimated from map

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

• PJW: Was Moridunian, but Porth Gain beds (sometimes put in Porth Gain formation) are Whitlandian.

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: S. K. Donovan. 1984. Ramseyocrinus and Ristnacrinus from the Ordovician of Britain. Palaeontology 27:623-634 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166617: authorized by Björn Kröger, entered by Björn Kröger on 20.02.2015

Creative Commons license: CC BY (attribution)