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Vanessa Julie Roden

Dipl.-Geow. Vanessa Julie Roden

  • Organization: Geozentrum Nordbayern
  • Working group: Chair of Palaeontology (Prof. Dr. Kießling)
  • Phone number: +49 9131 85-22407
  • Fax number: +49 9131 85-22690
  • Email: vanessa.roden@fau.de
  • Website:
  • Address:
    Loewenichstraße 28
    91054 Erlangen

Research

  • Scaling effects of rates of climate change
  • Beta diversity of modern and fossil assemblages
  • Biodiversity and ecology of the Late Triassic Cassian Formation (Dolomites, Southern Alps) and modern reef basin faunas
  • Fossil and modern octocorals

  • Dec. 2019 – March 2020: DFG-research unit TERSANE
  • 2015-2019: PhD student at Geozentrum Nordbayern, FAU Erlangen-Nürnberg
  • 2014: Welterbe Grube Messel gGmbH [Messel Pit Fossil Site]
  • 2011-2014: Hessisches Landesmuseum Darmstadt [Hessian State Museum Darmstadt]
  • 2006-2011: Geoscience Museum Göttingen, Dept. of Geobiology, and Courant Research Centre, Geoscience Centre of the Georg-August University Göttingen
  • 2005-2011: studied Geosciences at the Georg-August University Göttingen
  • 01/2011: Diploma in Geosciences (major: Paleontology; minor: Zoology, Structural geology)
  • 01/2007: Bachelor of Science
  • 2002-2005: studied Geology/Paleontology at the Rheinische Friedrich-Wilhelm University Bonn

  • Exploring biodiversity evolution in tropical seas based on comparisons of the Triassic fauna of the Cassian Formation with modern faunas
    (Third Party Funds Single)
    Term: 1. May 2015 - 1. May 2018
    Funding source: DFG-Einzelförderung / Sachbeihilfe (EIN-SBH)
    The Triassic Cassian Formation yields an exceptionally diverse marine tropical invertebrate fauna offering a largely unbiased assessment of the complexity and biodiversity of early Mesozoic ecosystems. The fauna consist of various assemblages from different localities and paleoenvironments, which vary strongly in terms of diversity and composition. Fossil preservation is usually exceptional including primary aragonite and a rich fauna of small species. Based on standardized large-scale bulk-sampling, we want to assess the true within and between community biodiversity, ecological complexity, taxonomic structure, and size distribution of Triassic tropical shallow water assemblages. Comparisons with assemblages of Recent and Quaternary tropical settings will be used to assess biological changes in diversity and complexity over more than 200 million years of evolution. By comparison with modern samples and existing datasets representing diagenetically more strongly altered (`normal´) fossil assemblages, the effect of taphonomy on preserved diversity, size distribution and ecological structure can be tested. Many of the groups, which are highly diverse in recent tropical faunas (e.g., heterodont bivalves and neogastropods) radiated not before the Cretaceous. We aim at testing if similarly diverse and ecologically dominant clades were present in the Triassic or if diversity was more evenly spread among higher taxa.

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Thesis