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Palaeontology of the Purbeck-type (Tithonian, Late Jurassic) bonebeds of Chassiron (Oléron Island, western France)

Abstract : The paralic flora and fauna from the Late Jurassic of Chassiron (Oléron Island, western France) are described. The Tithonian-aged bonebeds of Purbeck facies of this locality have yielded a rich and diverse vertebrate assemblage including fishes, amphibians, reptiles and mammals, alongside numerous plant and invertebrate remains. The Chassiron locality thus appears as a peculiar Konzentrat-Lagerstätte in which most of the palaeoecosystem's biological components (both aquatic and terrestrial) have been preserved. The depositional environment was probably subject to salinity fluctuations, as indicated by the co-occurrence of freshwater and euryhaline organisms. This is one of the richest localities and the first mammal-bearing site known from the Jurassic of France.
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https://hal-insu.archives-ouvertes.fr/insu-01016324
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Submitted on : Monday, June 30, 2014 - 8:50:14 AM
Last modification on : Saturday, September 19, 2020 - 4:44:41 AM

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Romain Vullo, Dominique Abit, Michel Ballevre, Jean-Paul Billon-Bruyat, Renaud Bourgeais, et al.. Palaeontology of the Purbeck-type (Tithonian, Late Jurassic) bonebeds of Chassiron (Oléron Island, western France). Comptes Rendus Palevol, Elsevier Masson, 2014, 13 (5), pp.421-441. ⟨10.1016/j.crpv.2014.03.003⟩. ⟨insu-01016324⟩

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