This article, Maiasaura(JU), contains spoilers about Jurassic Universe. Do not read further if you do not wish to be spoiled.
A herd of Maiasaura was attacked by Indominus while on his rampage. A baby Maiasaura helped Rars and Necks to find Indominus. He stayed in Isla Nublar when Rars and Necks went to Isla Estrella. He was shown in the epilogue.