Assertion: horseshoe crab | /r/AtLocation | early ordovician
Facets:
value: definitely
type: DEGREE
Source sentences:
text: They were definitely present in the early Ordovician, 450 million years ago, in a Burgess Shale-type environment.
text: They were definitely present in the early Ordovician, 450 million years ago, in a Burgess Shale-type environment.