Where: Sweden (60.9° N, 15.0° E: paleocoordinates 28.4° S, 6.8° W)

• coordinate estimated from map

When: Fjäcka Shale Formation, Nabala to Nabala (450.5 - 449.5 Ma)

• Black Trinuculeus Shale

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Primary reference: E. Warburg. 1925. The Trilobites of the Leptæna Limestone in Dalarne. Leptæna Limestone Trilobites 1-446 [B. Kröger/B. Kröger/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161790: authorized by Björn Kröger, entered by Björn Kröger on 12.09.2014

Creative Commons license: CC BY (attribution)