Search for: [Subject and Keywords = Argentina] OR [Subject and Keywords = Cenozoic] OR [Subject and Keywords = Didelphidae] OR [Subject and Keywords = Mammal] OR [Subject and Keywords = Marsupialia] OR [Subject and Keywords = Sparassocynus] OR [Title = Sparassocynus \(Marsupialia, Didelphidae\), a peculiar mammal from the late Cenozoic of Argentina] OR [Creator = Reig, O. A.] OR [Creator = Simpson, G. G.]