Search results for "Mesozoic paleobotany"

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Paleohistology of the Cretaceous resin‐producing conifer Geinitzia reichenbachii using X‐ray synchrotron microtomography

2021

International audience; PremiseThe conifer Geinitzia reichenbachii was a common member of the Cretaceous Laurasian floras. However, the histology of G. reichenbachii leafy axes was never described in detail, and our knowledge of its paleoecology remains very limited. Using new and exquisitely preserved silicified material from the Upper Cretaceous of western France, we describe G. reichenbachii from the gross morphology to the cellular scale, then discuss paleoecological and taphonomical implications.MethodsWe examined specimens from two localities in western France (Claix and Moragne) using propagation phase-contrast X-ray synchrotron microtomography.ResultsThe cuticle and the inner tissue…

0106 biological sciences010506 paleontologyContext (language use)Plant ScienceBiology010603 evolutionary biology01 natural sciencesSedimentary depositional environmentPaleontologyGeneticsMesozoicleafy twigsEcosystemEcology Evolution Behavior and Systematics0105 earth and related environmental sciencespaleoecophysiologyPermineralizationpermineralizationX-RaysConiferalesX-ray synchrotron microtomographX-Ray MicrotomographyGeinitziaceae15. Life on landCretaceousAmberTracheophyta[SDE]Environmental SciencesPaleobotanyTracheidPaleoecologyfossilssilicification[SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/PaleontologySynchrotronsMesozoic paleobotanyAmerican Journal of Botany

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