“NEOGENE ‘HORN SHARKS’ HETERODONTUS (CHONDRICHTHYES: ELASMOBRANCHII) FROM THE SOUTHEASTERN PACIFIC AND THEIR PALEOENVIRONMENTAL SIGNIFICANCE”. Ameghiniana, vol. 55, no. 6, Dec. 2018, pp. 651–667, https://ameghiniana.org.ar/index.php/ameghiniana/article/view/3202.