Also known as slate near Valongo

Where: Portugal (41.2° N, 8.5° W: paleocoordinates 72.0° S, 74.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Didymograptus artus graptolite zone, Lower Member (Valongo Formation), Oretanian (468.0 - 459.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, silty mudstone

Size class: macrofossils

Preservation: cast

Reposited in the BMNH

Primary reference: D. Sharpe. 1849. On the Geology of the neighbourhood of Oporto, including the Silurian coal and slates of Valongo. Quarterly Journal of the Geological Society, London 5:142-153 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166759: authorized by Pete Wagner, entered by Pete Wagner on 25.02.2015

Creative Commons license: CC BY (attribution)