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

Abstract

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