Definitions for "CENOZOIC ERA"
Keywords:  mammals, era, mesozoic, quaternary, ago
The latest of the four eras into which geologic time is subdivided; 65 million years ago to the present. View timeline of geologic events.
approximately the last 63 million years
65mya to present; Era associated with the development of and domination by mammals correlation: the process geologists use to relate rock layers in area to rock layers from another area