In that sense it - like the latest Argon-argon dating paper in Science - is just a snapshot, a moment in time detailing the state of our knowledge on all things relating to dinosaurs.
Using Argon-argon dating - a technique based on the decay ratio of radioactive potassium - researchers at the University of California Berkeley and the University of Glasgow have revised both the date of the dinosaur extinction 66 million years ago, and the timing of the Chicxulub asteroid impact that occurred at around the same time.