Intra-trackway morphological variations due to substrate consistency: the El Frontal dinosaur tracksite (Lower Cretaceous, Spain).
An ichnological and sedimentological study of the El Chemicals cleaners Frontal dinosaur tracksite (Early Cretaceous, Cameros basin, Soria, Spain) highlights the pronounced intra-trackway variation found in track morphologies of four theropod trackways.Photogrammetric 3D digital models revealed various and distinct intra-trackway morphotypes, which