MUSAVU MOUSSAVOU, Benjamin Université des Sciences et Techniques de Masuku - Faculté des Sciences - Département de Géologie, URESTE, Gabon , NDONG ONDO, Simplice Marin Université des Sciences et Techniques de Masuku - Faculté des Sciences - Département de Géologie, URESTE, Gabon , M’VOUBOU, Makaya Université des Sciences et Techniques de Masuku - Faculté des Sciences, URESTE - Département de Géologie, Gabon

Turonian bivalves from the Coastal Basin of Gabon, South of Libreville

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The taxonomy and palaeo-ecology of the Turonian marine bivalve fauna from the geological section ‘Gabon Store’ (South of Libreville, Gabon) are here discussed. Seven species are recognized: Aphrodina angustosinuosa (Riedel), Aphrodina dutrugei (Coquand), Aphrodina sp., Granocardium productum (Sowerby), Lopha cf. lombardi (Dartevelle Freneix), Pholadomya cf. adversa Riedel and Rastellum sp. The composition of the bivalve fauna and the sedimentary characteristics indicate a low-energy littoral paleo-environment at the ‘Gabon Store’ section. Two types of depositional environment are suggested: (1) an intertidal zone, represented by silty limestone and (2) a shallow subtidal zone, such as a bay or lagoon, represented by calcareous sandstone.

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Turonian , bivalves , coastal basin , Libreville , Gabon

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