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CDD Doctorant (H/F) en paléobotanique : disparité des bois au Paléozoïque et implications fonctionnelles CNRS in France
Degree Level
PhD
Field of study
Paleontology
Funding
Available
Deadline
Nov 28, 2026
Country
France
University
CNRS
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About this position
This doctoral project is part of the ANR PALWOOD programme (2026–2030), which investigates the evolution of wood during the Paleozoic, from the first appearance of wood in the early Devonian to the end-Permian crisis. The project brings together researchers from multiple French research units, including AMAP (Montpellier), CR2P (Paris) and EEP (Lille), with international collaborators.
The thesis focuses on the anatomical disparity of homoxylous woods, i.e. woods without vessels. The doctoral researcher will help build and populate a database of quantitative and qualitative anatomical characters from thin sections of fossil woods spanning the Paleozoic, Mesozoic and Cenozoic. This comparative framework will be used to test hypotheses about the early rise of anatomical disparity after the origin of wood and the possible existence of unique Paleozoic character combinations that disappeared later in plant evolution.
A second, more exploratory component examines the functional consequences of that anatomical diversity, with particular attention to hydraulic properties. The work will involve measurements on thin sections and synchrotron images, including data already available and additional images to be acquired during the project. The student will apply an existing hydraulic-conduction model developed at AMAP to several taxa, notably Devonian plants, and may contribute further to its development if time allows.
The project sits at the interface of paleobotany, plant anatomy, functional plant biology and deep-time evolutionary research, offering access to fossil material, comparative datasets and an established modeling framework within a collaborative research network.
Funding details
Available
What's required
Applicants should hold a Master’s degree in Organismal Biology, Evolutionary Biology, or Ecology and Evolution, with solid training in paleobotany and/or botany and plant histology, and very good written and spoken English. A background in paleontology is expected or preferred as indicated in the advert.
How to apply
Apply via the posted Choisir le Service Public link. Review the advert on the CNRS employment site for the full application instructions and required documents.
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Review drafts and confirm requirements with the university.