Assertion: k pg extinction | /r/CapableOf | kill off mosasaur
Facets:
value: in the oceans
type: LOCATION
Source sentences:
text: In the oceans, the K–Pg extinction killed off plesiosaurs and mosasaurs and devastated teleost fish, sharks, mollusks (especially ammonites, which became extinct), and many species of plankton.
text: In the oceans, the K–Pg extinction killed off plesiosaurs and mosasaurs and devastated teleost fish, sharks, mollusks (especially ammonites, which became extinct), and many species of plankton.