Flowering plants (angiosperms), first seen in the Cretaceous, continued to develop and proliferate, and along with them coevolved the insects that fed on these plants and pollinated them.
As plantas con flores (anxiospermas), observadas por primeira vez no Cretáceo, continúan desenvolvéndose e proliferando, e á vez coevolucionan os insectos que se alimentan e polinizan a estas.