机译:Re-appearance of hypercarnivore ichthyosaurs in the Cretaceous with differentiated dentition: revision of 'Platypterygius' sachicarum (Reptilia: Ichthyosauria, Ophthalmosauridae) from Colombia
McGill Univ, Biol Dept, Redpath Museum, 859 Sherbrooke St W, Montreal, PQ H3A 0C4, Canada|Smithsonian Trop Res Inst, Balboa Anton 0843-03092, Panama City, Panama|Ctr Invest Paleontol, Kilometro 5-2 Via Santa Sofia, Villa De Leyva, Colombia;
Staatl Museum Nat Kunde, Rosenstein 1, D-70191 Stuttgart, Germany;
McGill Univ, Biol Dept, Redpath Museum, 859 Sherbrooke St W, Montreal, PQ H3A 0C4, Canada;
Platypterygius sachicarum; Ophthalmosauridae; Early Cretaceous; South America; Colombia; Paja Formation;