It saw a shift from angiosperms to ferns in land plants and saw little impact on organisms relying on detritus.
A less popular theory explaining this event used evidence found at the Deccan Traps. Occurring at the end of the Maastrichtian stage, other theories point to change in sea level and sea temperature. It saw a shift from angiosperms to ferns in land plants and saw little impact on organisms relying on detritus. Higher than normal levels of Iridium, first discovered in Gubbio, Italy, have helped explain this event. However, the most popular theory explaining this event was proposed by Walter and Luis Alvarez and was based on evidence found by Glen Penfield near the town of Chicxulub. FTP, a crater in Yucatan, Mexico is often used as evidence for what event that occurred 65 million years ago?
A less popular theory explaining this event used evidence found at the Deccan Traps.
{Cretaceous}-{Tertiary extinction} event (Accept {K}-{T extinction} event or {Cretaceous}-{Paleogene} Extinction Event, also accept extinction of {dinosaurs} or anything about the {dinosaurs going extinct 65 million years ago because} of an {asteroid}, just be very lenient...)