GEOLOGY & PLANETARY SCIENCE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Cenozoic Era The most recent geological era, dating from about 65 million years ago to the present. It began as the last dinosaurs became extinct, at the end of the Mesozoic era, and is the era in which the mammals flourished. Most of the placental mammals and all of the primates evolved during the Cenozoic Era. Related category    • GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP