Jurassic Park Wiki

Gryposaurus (meaning "hooked-nosed lizard) was a genus of hadrosaurian dinosaur that lived about 83 to 74 million years ago, in the Late Cretaceous of North America. Named species of Gryposaurus are known from the Dinosaur Park Formation in Alberta, Canada, and two formations in the United States: the Lower Two Medicine Formation in Montana and the Kaiparowits Formation of Utah.

Wikipedia has a more detailed and comprehensive article on Gryposaurus

Jurassic Park media

Gryposaurus has never appeared or mentioned in any Jurassic Park films or books, it has however been featured in the Dinosaur Field Guide as well as the Jurassic World Dinosaur Field Guide.