Also known as N.G.R. 708252
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 (478.6 - 471.8 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 shale
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 3713: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.08.1999, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Glyptarca primaeva Hicks 1873 clam | |
? Cyrtodonta oboloidea Hicks 1873 clam | |
Actinodonta ramseyensis Hicks 1873 clam | |
Praenucula menapiensis Hicks 1873 clam | |
Praearca cambriensis Hicks 1873 clam | |
Rhynchonellata | |
"Lenorthis alata" = Paralenorthis alata, Orthambonites sp.
"Lenorthis alata" = Paralenorthis alata de Sowerby and Murchison 1839
Orthambonites sp. Pander 1830 | |
Trilobita | |
"? Megalaspidella murchisoniae" = Merlinia murchisoniae
"? Megalaspidella murchisoniae" = Merlinia murchisoniae Murchison 1839 trilobite | |
Neseuretus ramseyensis Hicks 1873 trilobite | |
Crinoidea | |
Ramseyocrinus cambriensis Hicks 1873 Sea lily |