Shunosaurus

Shunosaurus was a relatively small sauropod from the Late Jurassic Period. It was about ten metres long, and unlike most sauropods, had a kind of club on its tail. This means that the tail would have been Shunosaurus primary weapon to use as defence against predators such as Gasosaurus.

Jurassic Park franchise
Shunosaurus is yet to appear in any Jurassic Park novels or movies.

Jurassic Park inspired games
Shunosaurus is number 51 of the Herbivore Twos that can be created in Jurassic Park III: Park Builder.