cenozoic era

Noun cenozoic era has 1 sense

• cenozoic era(n = noun.time) age of mammals, cenozoic - approximately the last 63 million years;
is a part of phanerozoic, phanerozoic aeon, phanerozoic eon
has parts: age of man, quaternary, quaternary period, tertiary, tertiary period
is a kind of era, geological era