Complex sentence: The Museum of the Rockies, affiliated with Montana State University in Bozeman and the Smithsonian Institution, is located in Bozeman, Montana, and is known for its paleontological collections despite dinosaurs not being its sole focus.
Split into simpler sentences: The Museum of the Rockies, is located in Bozeman, Montana. The museum, originally affiliated with Montana State University in Bozeman, and now, also the Smithsonian Institution, is known for its paleontological collections, although these are not its sole focus.