upper Eocene  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....upper Eocene
NTAuversian
 Barnwell Formation
 Bartonian
 Chadronian
 Cowlitz Formation
 Dry Branch Formation
 Jackson Group
 La Meseta Formation
 Lattorfian
 Ludian
 Mission Valley Formation
 Moodys Branch Formation
 Ocala Group
 Piney Point Formation
 Poway Conglomerate
 Priabonian
 Shubuta Member
 Tejon Formation
 Tepee Trail Formation
 Tongrian
 Twiggs Clay
 Uinta Formation
 Whitsett Formation
 Yazoo Clay
RTlower Eocene
 White River Group
 middle Eocene
 Barail Group
 Chadron Formation
 Cozy Dell Formation
 Narizian
 Sespe Formation
 Twin River Formation