Where: United Kingdom (51.8° N, 4.3° W: paleocoordinates 58.9° S, 20.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Llanvirn (466.0 - 460.9 Ma)

• Didymograptus artus Biozone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, micaceous, black shale and lithified mudstone

Size class: macrofossils

Primary reference: J. Kennedy. 1988. Ordovician (Llanvirn) Trilobites from SW Wales. Monograph Of The Paleontographical Society 141(576):1-55 [W. Kiessling/T. Schossleitner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69707: authorized by Wolfgang Kiessling, entered by Thomas Schossleitner on 02.03.2007