Besides bringing new species to the textbooks - and relegating them immediately to the "extinct" category - the study sheds new light on the extinction event, widely thought to have been caused by an enormous asteroid impact at the end of the Cretaceousperiod, about 65.5 millionyearsago.
About 70 millionyearsago, during the Cretaceousperiod, Lenny and a bunch of friends snuck out of the house to go tip over some Hadrosaurs that were grazing in a field in modern-day Mongolia.