|   | 
Locality | 
Layer | 
 
 | 
Great Britain, England,Lancashire, Dinckley, River Ribble | 
Bowland Shales,below P1a | 
 
 | 
Great Britain, England,Lancashire, Dinckley, River Ribble | 
P1c | 
 
 | 
Great Britain, England,Lancashire, Dinckley, River Ribble | 
P2 high | 
 
 | 
Great Britain, England,Lancashire, Dinckley, River Ribble | 
middle bed of Bisat | 
 
 | 
Great Britain, England,Yorkshire, Pendle Hill, Little Mearley Clough | 
P1a |