Assertion: lamprey's fish | /r/CapableOf | dominate the entirety of that period
Facets:
value: since the late silurian
type: TEMPORAL
Source sentences:
text: The Devonian also saw the demise of virtually all jawless fishes save for lampreys and hagfish, as well as the Placodermi, a group of armoured fish that dominated the entirety of that period since the late Silurian.