Assertion: horseshoe crab | /r/CapableOf | date before flowering plants
Facets:
value: back to a time
type: TEMPORAL
value: … back to an era
type: TEMPORAL
Source sentences:
text: The horseshoe crab dates back to a time before the dawn of human civilization, before the dinosaurs, before flowering plants… back to an era when the first signs of visible life appeared on earth.