• Intraspecific dental variations in the deep-sea shark Etmopterus spinax and their significance in the fossil record 

      Straube, Nicolas; Pollerspöck, Jürgen (Journal article; Peer reviewed, 2020)
      An important character on several taxonomic levels for shark identification is the tooth morphology. Sharks show a variety of highly specialized dentitions reflecting adaptations to their feeding habits. Intraspecific ...
    • Molecular analyses of confiscated shark fins reveal shortcomings of CITES implementations in Germany 

      Villate-Moreno, Melany; Pollerspöck, Jürgen; Kremer-Obrock, Friederike; Straube, Nicolas (Journal article; Peer reviewed, 2021)
      A three-ton shipment of dry shark fins was examined by German customs in 2017 leading to the confiscation of 405 kg of potential CITES species. We analyzed a subsample of this material (115 specimens) using DNA sequence-based ...
    • Trophic position of Otodus megalodon and great white sharks through time revealed by zinc isotopes 

      McCormack, Jeremy; Griffiths, Michael L.; Kim, Sora L.; Shimada, Kenshu; Karnes, Molly; Maisch, Harry; Pederzani, Sarah; Bourgon, Nicolas; Jaouen, Klervia; Becker, Martin A.; Jöns, Niels; Sisma-Ventura, Guy; Straube, Nicolas; Pollerspöck, Jürgen; Hublin, Jean-Jacques; Eagle, Robert A.; Tütken, Thomas (Journal article; Peer reviewed, 2022)
      Diet is a crucial trait of an animal’s lifestyle and ecology. The trophic level of an organism indicates its functional position within an ecosystem and holds significance for its ecology and evolution. Here, we demonstrate ...