Fig. 1


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Geological setting. A: Geological section of Châtellerault modified from Le Touzé de Longuemar (1866); B: Geological map showing locations of the lower Cenomanian localities: Scorbé-Clairvaux-La Bergeonneau (SCB) and Châtellerault-La Désirée (CHD), Vienne department, western France.

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