: This catastrophe is cited as the primary cause for the sudden disappearance of North American megafauna, such as mammoths and saber-toothed tigers, as well as the collapse of the Paleo-Indian Clovis culture.
While many readers find the narrative compelling, the "Younger Dryas Impact Hypothesis" remains controversial. The Cycle of Cosmic Catastrophes: How a Stone-A...
: Puzzling elliptical depressions along the U.S. Atlantic coast that the authors link to the impact event. : This catastrophe is cited as the primary