^Dirley Cortés, Erin E. Maxwell and Hans C. E. Larsson. 2021. Re-appearance of Hypercarnivore Ichthyosaurs in the Cretaceous with Differentiated Dentition: Revision of ‘Platypterygius’ sachicarum (Reptilia: Ichthyosauria, Ophthalmosauridae) from Colombia. Journal of Systematic Palaeontology. DOI: 10.1080/14772019.2021.1989507