Narrower Terms (16)

• Bone Basin Member (Mont.)
• Browns Park Formation
• Cabbage Patch Beds (Mont.)
• Creede Formation (Colo.)
• Eocene-Oligocene boundary
• Florissant Formation (Colo.)
• Frio Clay (Tex. and La.)
• Lincoln Creek Formation (Wash.)
• Needles Range Group (Utah and Nev.)
• Popotosa Formation (N.M.)
• ▶ Renova Formation (Mont.)
• Sespe Formation (Calif.)
• Tyonek Formation (Alaska)
• Vaqueros Formation (Calif.)
• White River Group
• Windous Butte Formation (Nev.)