Narrower Terms (26)

• Absaroka Volcanic Supergroup (Mont. and Wyo.)
• Bateman Formation (Or.)
• Bone Basin Member (Mont.)
• Capella Formation (Spain)
• Claiborne Group
• Clarno Formation (Or.)
• Domengine Formation (Calif.)
• Eocene-Oligocene boundary
• Eugene Formation (Or.)
• Florissant Formation (Colo.)
• Ghazij Formation (Pakistan)
• Green River Formation
• John Day Formation (Or.)
• La Meseta Formation (Antarctica)
• Lincoln Creek Formation (Wash.)
• Orca Group (Alaska)
• Raging River Formation (Wash.)
• Reklaw Formation (La. and Tex.)
• ▶ Renova Formation (Mont.)
• San Jose Formation (N.M. and Colo.)
• Sespe Formation (Calif.)
• Tyee Formation (Or.)
• Wasatch Formation
• Wilcox Group
• Wind River Formation (Wyo.)
• Yegua Formation