Journal article Open Access

Lower Cenomanian ammonites from la Bédoule, Bouches-du-Rhône, France

Kennedy, William J.; Latil, Jean-Louis

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Revue de Paléobiologie
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Plazi

A 0.10-0.50 metre thick lens of sandstone in the abandoned Comte quarry (La Bédoule, Bouches-du-Rhône France), has yielded an abundant ammonite fauna, including the index species of the upper Lower Cenomanian Mantelliceras dixoni Zone, previously unknown in the area. The fauna is dominated by the genus Mantelliceras (50% of the assemblage) together with diverse Tethyan and cosmopolitan species, and common Hyphoplites (18% of the assemblage), a typically (but not exclusively) Boreal genus; in contrast, Schloenbachia, the dominant Boreal Lower Cenomanian genus is absent, as elsewhere in the Basse Provence Gulf, in contrast to its common occurrence in the Vocontian Basin, north of the Durancian Isthmus. One new species, Stoliczkaia (Lamnayella) duboisi sp. nov., is described.

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