അർത്ഥം : From 135 million to 63 million years ago. End of the age of reptiles. Appearance of modern insects and flowering plants.
പര്യായപദങ്ങൾ : cretaceous period
അർത്ഥം : Abounding in chalk.
അർത്ഥം : Of or relating to or denoting the third period of the Mesozoic era.