Published online on 25. February 2014 Morphometric Discriminant Analysis of isolated chondrichthyan scales for palaeoecological inferences: the Middle Triassic of the Iberian Chain (Spain) as a case of study H. Ferrón, C. Pla, C. Martínez-Pérez, M.J. Escudero-Mozo, H. Botella ABSTRACT: Palaeontological studies on exosqueletal disarticulated remains of chondrichthyans have focused on teeth and only less