AGE OF MAMMALS(noun) Did you mean: Synonyms Rhymes Also try: ofagemammalDefinitions There is 1 meaning of the phrase Age Of Mammals. Age Of Mammals - as a noun Approximately the last 63 million years Synonyms (Exact Relations)cenozoic 21cenozoic eraWord Variations & RelationsAnagrams Starts A Starts AG Starts AGE Starts AGEO Ends S Ends LS Ends ALS Ends MALS Starts A & ends S Starts AG & ends S Starts A & ends LS A-Z Proximitiesagaze 15agazed 17agdestisagdistisage 4 Age Of Mammals age-oldage-relatedaged 6agedly 11agedness 10