Assertion: cretaceous plesiosaur | /r/CapableOf | cascade down the middle of north america
Facets:
Source sentences:
text: The evidence comes from a Late Cretaceous plesiosaur named Polycotylus latippinus which swam the Western Interior Seaway which once cascaded down the middle of North America.
text: The evidence comes from a Late Cretaceous plesiosaur named Polycotylus latippinus which swam the Western Interior Seaway which once cascaded down the middle of North America.
text: The evidence comes from a Late Cretaceous plesiosaur named Polycotylus latippinus which swam the Western Interior Seaway which once cascaded down the middle of North America.