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    Université de Fribourg

    Neuroanatomy of the spinosaurid Irritator challengeri (Dinosauria: Theropoda) indicates potential adaptations for piscivory

    Schade, Marco ; Rauhut, Oliver W. M. ; Evers, Serjoscha W.

    In: Scientific Reports, 2020, vol. 10, no. 1, p. 9259

    Spinosauridae, a theropod group characterized by elongated snouts, conical teeth, enlarged forelimbs, and often elongated neural spines, show evidence for semiaquatic adaptations and piscivory. It is currently debated if these animals represent terrestrial carnivores with adaptations for a piscivorous diet, or if they largely lived and foraged in aquatic habitats. The holotype of Irritator...

    Université de Fribourg

    A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany

    Rauhut, Oliver W. M. ; Tischlinger, Helmut ; Foth, Christian

    In: eLife, 2019, vol. 8, p. e43789

    The Late Jurassic ‘Solnhofen Limestones’ are famous for their exceptionally preserved fossils, including the urvogel Archaeopteryx, which has played a pivotal role in the discussion of bird origins. Here we describe a new, non-archaeopterygid avialan from the Lower Tithonian Mörnsheim Formation of the Solnhofen Archipelago, Alcmonavis poeschli gen. et sp. nov. Represented by a right...

    Université de Fribourg

    Re-evaluation of the Haarlem Archaeopteryx and the radiation of maniraptoran theropod dinosaurs

    Foth, Christian ; Rauhut, Oliver W. M.

    In: BMC Evolutionary Biology, 2017, vol. 17, p. 236

    Archaeopteryx is an iconic fossil that has long been pivotal for our understanding of the origin of birds. Remains of this important taxon have only been found in the Late Jurassic lithographic limestones of Bavaria, Germany. Twelve skeletal specimens are reported so far. Archaeopteryx was long the only pre-Cretaceous paravian theropod known, but recent discoveries from the Tiaojishan...