Araújo R., Polcyn M., Lindgren J., Jacobs L., Schulp A., Mateus O., Olímpio Gonçalves A., and Morais M.-L. “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.