Locality	Layer
	Great Britain, England,Derbyshire, Alport Bridge, Ashop Valley	R1
	Great Britain, England,Lancashire, Blackburn, Samlesbury Bottoms, R. Darven	R1a, H.divaricatus band
	Great Britain, England,Lancashire, Roughlee	R1a, R.pulchellum band
	Great Britain, England,Yorkshire, Hebden Bridge, Crimsworth Dean, Bl.Scout	R1
	Great Britain, England,Yorkshire, Otley, Storris House	R1
	Ireland, Limerick Co., Abbeyfield, Rathcahill	R1