Where: Shropshire, United Kingdom (52.7° N, 2.0° W: paleocoordinates 57.6° S, 17.2° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Rorrington Beds Formation, Late/Upper Llanvirn (463.5 - 460.9 Ma)
• JA: originally entered as Llandeilo, but the Rorrington Shale Formation is uppermost Darriwilian = uppermost Llanvirn according to Vandenbroucke et al. 2008
• formation-level stratigraphic resolution
Environment/lithology: offshore; gray, calcareous shale
Size class: macrofossils
Primary reference: A. Williams. 1974. Ordovician Brachiopoda from the Shelve District, Shropshire. Bulletin of the British Museum of Natural History (Geology), Supplement 11 1-158 [m. patzkowsky/Z. Krug/Z. Krug] more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 45221: authorized by Mark Patzkowsky, entered by Zack Krug on 14.10.2004