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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . RCEEDINGS OF THE GEOLOGICAL SOCIETY Maicll iid Santonian stage the lower part with Ostrea acutirostris santonensis Spondylus truncatus Janira quadricostata SjphceruUtes Coquandi and Radiolites fissicostata The upper part of fluviatile origin with Unio CyclaSy Omphalia