The Passage Beds is a member of the Corallian Oolite Formation, a geologic formation in England. The subtidal to marine sandstone preserves fossils of bivalves, gastropods, crinoids, echinoids and ammonites dating back to the Late Jurassic period (Oxfordian stage).Passage Beds at Fossilworks.org
See also
List of fossiliferous stratigraphic units in England
References