Descripción de los primeros rastros asignados a Hadrosauridae (Ornithopoda, Dinosauria) del Maatrichtiense de la Península Ibérica (Areny, Huesca)

In this paper, we described the first hadrosaurian footprints of Iberian Maastrichtian. The new dinosaur tracksite have been found in the uppermost part of Lower Maastrichtian in Areny (south-central Pyrennes, Huesca) in coastal deposits of the Aren Formation. The tracksite Areny I contain 76 footprints identified as two morphotype of Hadrosauridae indet. They have a subredonded ornithopod-like pes characterised by three broad digits with extensive interdigital webs