Sinonim phanerozoic

English Thesaurus

1. the period from about 5,400 million years ago until the present (noun.time)

instance hypernym	:	aeon, eon,
definition	:	the longest division of geological time (noun.time)

part holonym	:	age of mammals, cenozoic, cenozoic era,
definition	:	approximately the last 63 million years (noun.time)