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Université de Fribourg

Novel insights into the morphology of Plesiochelys bigleri from the early Kimmeridgian of Northwestern Switzerland

Raselli, Irena ; Anquetin, Jérémy

In: PLOS ONE, 2019, vol. 14, no. 5, p. e0214629

Plesiochelyidae were relatively large coastal marine turtles, which inhabited the epicontinental seas of Western Europe during the Late Jurassic. Their fossil record can be tracked in Germany, Switzerland, the United Kingdom, France, Spain and Portugal. The Jura Mountains, in northwestern Switzerland, have been the main source for the study of this group, mostly thanks to the rich and famous...

Université de Fribourg

The comparative osteology of Plesiochelys bigleri n. sp., a new coastal marine turtle from the Late Jurassic of Porrentruy (Switzerland)

Püntener​, Christian ; Anquetin, Jérémy ; Billon-Bruyat, Jean-Paul

In: PeerJ, 2017, vol. 5, p. e3482

During the Late Jurassic, several groups of eucryptodiran turtles inhabited the shallow epicontinental seas of Western Europe. Plesiochelyidae are an important part of this first radiation of crown-group turtles into coastal marine ecosystems. Fossils of Plesiochelyidae occur in many European localities, and are especially abundant in the Kimmeridgian layers of the Swiss Jura Mountains (Solothurn...

Université de Fribourg

Stable isotope study of a new chondrichthyan fauna (Kimmeridgian, Porrentruy, Swiss Jura): an unusual freshwater-influenced isotopic composition for the hybodont shark Asteracanthus

Leuzinger, Léa ; Kocsis, L. ; Billon-Bruyat, Jean-Paul ; Spezzaferri, Silvia ; Vennemann, T.

In: Biogeosciences, 2016, vol. 12, no. 23, p. 6945–6954

Chondrichthyan teeth (sharks, rays, and chimaeras) are mineralized in isotopic equilibrium with the surrounding water, and parameters such as water temperature and salinity can be inferred from the oxygen isotopic composition (δ18Op) of their bioapatite. We analysed a new chondrichthyan assemblage, as well as teeth from bony fish (Pycnodontiformes). All specimens are from Kimmeridgian coastal...

Médiathèque Valais

Essai sur les glaciers et sur le terrain erratique du bassin du Rhône

Charpentier, Jean de

Lausanne : M. Ducloux, 1841

Analyse : Premier énoncé de la théorie glaciaire, illustré surtout par des exemples vaudois et valaisans. Carte du terrain erratique de la vallée du Rhône.

Haute école de gestion de Genève

Bibliothèque du Collège Saint-Charles à Porrentruy : projet de réhabilitation

Girod, Lucas ; Gorin, Michel (Dir.)

Mémoire de bachelor : Haute école de gestion de Genève, 2012 ; TDB 2175.

Le projet de réhabilitation de la bibliothèque du Collège Saint-Charles s’articule autour de trois grandes étapes : un état des lieux de la situation actuelle, une série de propositions d’organisation et des solutions d’informatisation. L’état des lieux fait l’examen des locaux utilisés par la bibliothèque, de l’état des collections, de l’organisation intellectuelle des...