Synset:Age of Mammals Cenozoic Cenozoic era
Part Holonyms:Phanerozoic Phanerozoic aeon Phanerozoic eon
Instance Hypernyms:era geological era
Inherited Hypernyms:cenozoicerageological timetimeattributeabstractionentity
Part Meronyms:Age of Man Quaternary Quaternary period Tertiary Tertiary period