Fossilized fish ID: 2155 | This file appears in: Fossil Butte A type of prehistoric perch, these fish became fossils due to a mass extinction event within the lake. | Creator: National Park Service | Source: "Cockerellites liops Mass Mortality." National Park Service. https://www.nps.gov/media/photo/gallery-item.htm?pg=1912551&id=2E7AA4E2-1DD8-B71B-0BE86821C83D8CA0&gid=F17B1C64-155D-451F-6765341D9B8E553F. Download Original File CreatorNational Park ServiceSource"Cockerellites liops Mass Mortality." National Park Service. https://www.nps.gov/media/photo/gallery-item.htm?pg=1912551&id=2E7AA4E2-1DD8-B71B-0BE86821C83D8CA0&gid=F17B1C64-155D-451F-6765341D9B8E553F. "Fossilized fish" appears in: Fossil Butte
