What is the fine-grained topic of the following text: Dr Steve Brusatte, of the University of Edinburgh’s school of geosciences, who led the study, said: “One of the biggest inaccuracies in Jurassic Park is that most of the ­dinosaurs aren’t actually ones that lived in the Jurassic. Only return the topic.
Inaccuracies in Jurassic Park's depiction of dinosaurs