jurassic period

English Thesaurus

1. from 190 million to 135 million years ago; dinosaurs; conifers (noun.time)

instance hypernym	:	geological period, period,
definition	:	a unit of geological time during which a system of rocks formed (noun.time)

part meronym	:	age of reptiles, mesozoic, mesozoic era,
definition	:	from 230 million to 63 million years ago (noun.time)