KT Episode. Dinosaurs and 85% of species become extinct following a meteorite impact in Chicxulub, Yucatan (early Cenozoic Era); along with the dinosaurs, two-thirds of all living species on the planet become extinct; the 10km meteorite hits at 16km/s at a 30-degree angle toward the northwest; the crater has a diameter of 180km; it hits on a spring day because a magnolia flower was found in the layer.
