Where: Scotland, United Kingdom (55.8° N, 3.4° W: paleocoordinates 15.8° S, 20.8° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Cyrtograptus lapworthi graptolite zone, Lower Member (Wether Law Linn Formation), Telychian (438.5 - 433.4 Ma)
• Formerly in Monoclimas crenulata zone. This is the Grain Heads Siltstone member now.
• member-level stratigraphic resolution
Environment/lithology: marine; bioturbated, brown, yellow, silty mudstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the BMNH
Collection methods: surface (float),
Primary reference: C. H. Holland. 2000. Silurian cephalopods from the Pentland Hills. Scottish Journal of Geology 36(2):177-186 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 159987: authorized by Pete Wagner, entered by Pete Wagner on 13.08.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Protophragmoceras erskinei Lamont 1978 | |
Geisonoceras maclareni Murchison 1859 | |
Kionoceras virgatum de Sowerby and Murchison 1839 |