The Palaeontological Association Field Guide to Fossils, Fossils of the Rhaetian Penarth Group

The Rhaetian Penarth Group includes the former Westbury Beds, Cotham Beds, and White Lias. This diverse suite of late Triassic sedimentary rocks is famous for the fossils that it yields, most notably from the bone beds. This text provides comprehensive coverage of those fossils.