Alvarado-Ortega, J. and Porras-Múzquiz, H. G. (2022) “On the presence of Xiphactinus (Teleostei, Ichthyodectiformes) in the Coniacian-Campanian marine deposits of the Piedritas site, Coahuila, northern Mexico”, Revista Mexicana de Ciencias Geológicas, 39(2), pp. 142–150. doi: 10.22201/cgeo.20072902e.2022.2.1684.