Assertion: sipunculid worm | /r/HasProperty | discovered in the burgess shale
Facets:
value: in alberta
type: LOCATION
value: in canada
type: LOCATION
Source sentences:
text: An unnamed sipunculid worm from the Cambrian period has been discovered in the Burgess Shale in Alberta, Canada, and Lecthaylus has been identified from the Granton Shrimp Bed, near Edinburgh, Scotland, dating to the Silurian period.