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 (Sega CD video game) Jurassic Park (Sega CD video game) Jurassic Park is a 1994 point-and-click adventure game developed and published by Sega for the Sega CD (also known as the Mega-CD). The video game is based on the 1993 film of the same name, and includes elements from Michael Crichton's 1990 novel, which the film is based upon. Set after the events of the film, a group of scientists is sent to collect dinosaur eggs at InGen's Jurassic Park, a theme park that is populated with genetically engineered dinosaurs and is located on the fictional island of Isla Nublar. After the group's helicopter