Cortés, D; Maxwell, E. E.; Larsson, H. C. E. (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. 19 (14): 969–1002. Bibcode:2021JSPal..19..969C. doi:10.1080/14772019.2021.1989507. S2CID244512087.
Nikolay G. Zverkov & Megan L. Jacobs (2021) [2020]. "Revision of Nannopterygius (Ichthyosauria: Ophthalmosauridae): reappraisal of the 'inaccessible' holotype resolves a taxonomic tangle and reveals an obscure ophthalmosaurid lineage with a wide distribution". Zoological Journal of the Linnean Society. 191 (1): 228–275. doi:10.1093/zoolinnean/zlaa028.
Cortés, D; Maxwell, E. E.; Larsson, H. C. E. (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. 19 (14): 969–1002. Bibcode:2021JSPal..19..969C. doi:10.1080/14772019.2021.1989507. S2CID244512087.
Cortés, D; Maxwell, E. E.; Larsson, H. C. E. (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. 19 (14): 969–1002. Bibcode:2021JSPal..19..969C. doi:10.1080/14772019.2021.1989507. S2CID244512087.