Assertion: eurypterid | /r/HasProperty | rare
Facets:
value: generally
type: DEGREE
value: in marine environments
type: LOCATION
value: in the fossil record
type: LOCATION
value: by the late devonian
type: TEMPORAL
value: in gondwanan provinces
type: LOCATION
Source sentences:
text: eurypterids are rare in Gondwanan provinces; being a single large
text: The eurypterids were one of the groups most heavily affected by the Late Devonian extinction event, following a major decline in diversity during the Early Devonian, eurypterids were rare in marine environments by the Late Devonian.
text: The eurypterids (Arthropoda: Chelicerata), some of the earliest arthropods to undertake amphibious excursions onto land, are generally rare in the fossil record, but are sometimes found in great abundance, for example in the Late Silurian Bertie Group of New York State.