Where: Wales, United Kingdom (52.9° N, 3.6° W: paleocoordinates 49.0° S, 17.9° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Dicranograptus caudatus graptolite zone, Upper Member (Gelli-grîn Formation), Woolstonian (455.8 - 452.0 Ma)
• Calcarous Ashes above Cymerig Limestone
• member-level stratigraphic resolution
Environment/lithology: marine; calcareous mudstone and blue mudstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the BMNH
Primary reference: H. B. Whittington. 1968. The Ordovician trilobites of the Bala Area, Merioneth. Part IV. Monograph of the Palaeontographical Society 122(520):93-138 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 188592: authorized by Melanie Hopkins, entered by Melanie Hopkins on 08.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
? Flexicalymene cf. caractaci Salter 1865 trilobite | |
Estoniops alifrons McCoy 1851 trilobite |