Where: Oslo, Norway (59.9° N, 10.7° E: paleocoordinates 31.8° S, 9.6° W)

• outcrop-level geographic resolution

When: Dicranograptus clingani graptolite zone, Nakholmen Formation, Longvillian to Longvillian (457.2 - 454.0 Ma)

• 4bγ

•Given as Soudleyan - Marshbrookian in text, but based on D. clingani, we can refine it a little more than that.

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, black, silty shale and limestone

Size classes: macrofossils, mesofossils

Preservation: cast

Primary reference: D. A. T. Harper, A. W. Owen, and S. H. Williams. 1984. The Middle Ordovician of the Oslo Region, Norway, 34. The Type Nakholmen Formation (Upper Caradoc), Oslo, and its faunal significance. Norsk Geologisk Tidsskrift (Oslo) 64(4):293-312 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166799: authorized by Pete Wagner, entered by Pete Wagner on 26.02.2015

Creative Commons license: CC BY (attribution)