Assertion: eurypterid | /r/CapableOf | peak in diversity
Facets:
value: during the silurian
type: TEMPORAL
value: of the approximately 250 valid species
type: OTHER
Source sentences:
text: The eurypterids as a group peaked in diversity during the Silurian, of the approximately 250 valid species accounted for as of 2020, around 139 (≈56 %) were from the Silurian alone.