Abstract
Oysters from lignitic deposits of the Mid-Cretaceous of southwestern France (Charentes and Sarladais regions). The study of the Aquitaine Basin border (Charentes and Sarladais) makes the census of several lignitic outcrops in the Albo-Cenomanian series. Three oysters species are usually associated with these paralic deposits. These taxa are revised for their systematic and palaeoecological features. Acutostrea lingularis is the most-typical brackish species and is especially abundant in massive lignitic wood accumulations. Gyrostrea delettrei is a small robust species that is able to colonize high-hydrodynamics estuarine channels with wood deposits. Striostrea sp., belonging to a Recent genus, is well developed on various terrigenous substrates with wood fragments from euryhaline palaeoenvironments. To cite this article: B. Videt, J.-P. Platel, C. R. Palevol 4 (2005) .
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