Also known as Austwick Beck, North Yorkshire, Sowerthwaite Fm.

Where: United Kingdom (54.1° N, 2.4° W: paleocoordinates 44.6° S, 16.2° W)

• coordinate estimated from map

When: Sowerthwaite Formation, Rawtheyan (448.8 - 445.2 Ma)

• = stage 6b in old Norse scale.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: R. M. Owens. 2004. Late Ordovician and early Silurian Proetida (Trilobita) from North-Western and Central Europe. Palaeontology 47(3):557-578 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 165086: authorized by Björn Kröger, entered by Björn Kröger on 12.01.2015

Creative Commons license: CC BY (attribution)