Apatosaurus "Apatosaurus" may have been more solitary than other Morrison Formation dinosaurs. Fossils of the genus have only been found in the upper levels of the formation. Those of "Apatosaurus ajax" are known exclusively from the upper Brushy Basin Member, about 152–151 mya. "A.louisae" fossils are rare, known only from one site in the upper Brushy Basin Member; they date to the late Kimmeridgian stage, about 151mya. Additional "Apatosaurus" remains are known from similarly aged or slightly younger rocks, but they have not been identified as any particular species, and thus may instead belong to "Brontosaurus". The Morrison Formation records a
Jurassic Park: The Game including tunnels and a marine exhibit. The dinosaurs' behavior was based on the behavior of present-day animals, as well as dinosaur behavior featured in the "Jurassic Park" films. A paleontologist also advised the development team on possible dinosaur behavior. The gameplay was heavily influenced by the 2010 video game "Heavy Rain". It is the first game by Telltale in which the player's character can be killed. The first images from the game were released in January 2011. When the game was announced, it was to be published shortly after the release of a new , which was scheduled to go