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Diversity and histology of a plant litter bed from the Cenomanian of Archingeay­Les Nouillers (southwestern France)

Bernard Gomez 1, * C. Coiffard 1 Eric Dépré Véronique Daviero-Gomez 1 Didier Neraudeau 2
* Corresponding author
1 PEPS - PaleoEnvironnements et PaleobioSphere
2 GR - Géosciences Rennes
Abstract : The exploitation of a third part of the sand quarry of Font-Benon (Archingeay­Les Nouillers, southwestern France) has exposed a clay lens bearing a massive accumulation of plant macro- and mesoremains. From the stratigraphic point of view, this lens corresponds to sub-unit A2sm1­2 dated as Lowermost Cenomanian in age. The plant assemblage is remarkable by lowfragmentation, association of vegetative and reproductive organs of the same taxa, and by the quality of histological cuticle preservations. The plant remains were accumulated close to the producing plants and deposited in paralic, calm and brackish environment, probably of conifer-dominated type mangrove.
Keywords : Fossil plants Cuticles Cretaceous Cenomanian Southwestern France
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Submitted on : Tuesday, May 20, 2008 - 1:50:09 PM
Last modification on : Friday, November 26, 2021 - 6:06:04 PM

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Bernard Gomez, C. Coiffard, Eric Dépré, Véronique Daviero-Gomez, Didier Neraudeau. Diversity and histology of a plant litter bed from the Cenomanian of Archingeay­Les Nouillers (southwestern France). Comptes Rendus Palevol, Elsevier, 2008, 7 (2-3), pp.135-144. ⟨10.1016/j.crpv.2007.12.006⟩. ⟨insu-00280956⟩

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