Assertion: eurypterid | /r/AtLocation | undoubted marine formation
Facets:
value: in association with typical marine fossils
type: OTHER
Source sentences:
text: The main statement that is dwelt upon insistently, and which is so dangerously plausible, is that in the Wenlock the eurypterids are found in an undoubted marine formation in association with typical marine fossils.