It's unlikely his work will make it into the film in any form, sadly. They only hired him late in 2014, when they'd finished filming and were well into post-production.
It's reignited the discussion about the film's (non) use of accurate and colourful dinosaurs in some of the forums I read, because Csotonyi's digital paintings look so much better than the film-translated 3D models elsewhere on the site.