There are 2 matches

Collection Authorizer Collection name Reference
171553M. Clapham Herznach mine, lower Macrocephalusschichten (coll. 1944) Early Callovian - Jurassic 5 - Switzerland Jeannet (1951)
171554M. Clapham Herznach mine, bed B.1 Middle Callovian - Jurassic 5 - Switzerland Jeannet (1951)

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