Fernandez, M. S. Talevi, M. 2014 Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): an overview Geological Magazine 151 49-59 Cymbospondylus_petrinus Stenopterygius Ichthyosaurus Mollesaurus_periallus Brachypterygius_extremus Aegirosaurus_leptospondylus Ophthalmosaurus_icenicus Ophthalmosaurus_natans Arthropterygius_chrisorum Caypullisaurus_bonapartei Maiaspondylus_lindoei Platypterygius_americanus Platypterygius_hercynicus Platypterygius_platydactylus Platypterygius_australis Athabascasaurus_bituminous Osteology Maximum Parsimony Based on reanalysis of the original matrix. Fernandez_et_Talevi_2014a