Assertion: plesiosaur | /r/CapableOf | meet their downfall
Facets:
value: unlike the ichthyosaurs
type: OTHER
value: along with the dinosaurs
type: OTHER
Source sentences:
text: Unlike the ichthyosaurs which went extinct prior to the Cretaceous-Tertiary extinction, the plesiosaurs met their downfall along with the dinosaurs 65 million years ago.