Assertion: eurypterid | /r/HasProperty | abundant
Facets:
value: in the shales
type: LOCATION
value: in the sandstones
type: LOCATION
value: very
type: DEGREE
Source sentences:
text: The eurypterids are very abundant in the sandstones though poorly preserved, but in the intercalated black shales, while less numerous they show better preservation.
text: If they were living along shore they should be abundant in the shales.
text: Nanahughmilleria can occur in an environment where eurypterids were abundant or scarce.