Well, I do have ideas for pterosaurs myself, but I want to wait until further details for Update 1.12 and Return to Jurassic Park are revealed. So that I can make those ideas of mine sound more feasible, if possible.
I'm not sure of the pitch trailer pterosaurs would be a thing because that is a rejected concept, and Frontier never copies anything from other existing games or series, or other stuff that's non-film series narrative content in general. The troodon's bite was, if I remember correctly from a posted interview, was an inspiration from some members of the dev team who know of the troodons from Jurassic Park: The Game, and both ankylodocus and spinoraptor were added because they have a larger Universal Pictures presence via merchandising.