Assertion: angiosperm | /r/CapableOf | take place
Facets:
value: during early cretaceous periods
type: TEMPORAL
value: during jurassic
type: TEMPORAL
value: during the triassic
type: TEMPORAL
Source sentences:
text: Thus, the evolution that produced the plants which were eventually recognized as the angiosperms must have been taking place during the Triassic, Jurassic, and early Cretaceous periods (which span from about 252 million to 100.5 million years ago).