Preservación excepcional de un disco intervertebral atribuido a un reptil marino, descubierto en la Sierra de Albarracín (Cordillera Ibérica, España) en el siglo XIX

摘要: An element that is part of the collection vertebrate paleontology MNCN since before Spanish Civil War described. The specimen was found in Jurassic Sierra de lbarracin, Iberian Range, and interpreted as an intervetrebal disc with exceptional preservation. This attributed to a marine reptile. We discuss its possible systematic assignation.