Minmi

Minmi was a medium-sized ankylosaur, named after where it was found - Minmi. Its body and, unusually, belly, were covered in armoured scutes.

More real-life information: Minmi at Wikipedia.

Jurassic Park franchise
Minmi hasn't yet appeared in any Jurassic Park books or films.

Jurassic Park inspired games
Minmi is number 61 of the Herbivore Ones that can be created in Jurassic Park III: Park Builder.