Pantoja-Alor, J.; Schroeder, R.; Pomesano Cherchi, M. A.; Alencáster, G.; Pons, J. M. Fossil Assemblages, Mainly Foraminifers and Rudists, from the Early Aptian of Southwestern México. Palaeobiogeographical Consequences for the Caribbean Region. Spanish J. Palaeontol. 2022, 9, 211-219.