Araújo , R., M. Polcyn, J. Lindgren, L. Jacobs, A. Schulp, O. Mateus, A. Olímpio Gonçalves, and M.-L. Morais. “New Aristonectine Elasmosaurid Plesiosaur Specimens from the Early Maastrichtian of Angola and Comments on Paedomorphism in Plesiosaurs”. Netherlands Journal of Geosciences, vol. 94, Feb. 2015, pp. 93-108, doi:10.1017/njg.2014.43.