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Invertebrata
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Echinodermata
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Mollusca
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Radiolaria (3)
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Vermes
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microfossils
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Conodonta (19)
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palynomorphs
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miospores
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pollen (2)
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Plantae
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algae
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nannofossils (8)
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Pteridophyta
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problematic fossils (1)
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geochronology methods
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geologic age
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Cenozoic
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Quaternary
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upper Pleistocene (2)
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upper Quaternary (6)
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Siwalik System (1)
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Tertiary
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Asmari Formation (1)
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lower Tertiary (6)
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middle Tertiary
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Soda Lake Shale Member (1)
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Neogene
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Miocene
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Barstow Formation (1)
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Columbia River Basalt Group (1)
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lower Miocene
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Temblor Formation (2)
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upper Miocene
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Yakima Basalt (1)
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Ogallala Formation (1)
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Pliocene
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lower Pliocene
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upper Pliocene (1)
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Salt Lake Formation (1)
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Paleogene
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Barail Group (1)
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Eocene
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Chuckanut Formation (1)
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Chumstick Formation (5)
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Cozy Dell Formation (1)
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lower Eocene
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Matilija Formation (1)
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middle Eocene
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Bartonian (2)
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Yegua Formation (2)
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Mirador Formation (1)
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Swauk Formation (4)
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upper Eocene
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La Meseta Formation (1)
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Priabonian (2)
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lower Paleogene (3)
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Oligocene
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Frio Formation (3)
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lower Oligocene (1)
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upper Oligocene
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Chattian (2)
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Paleocene
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lower Paleocene (4)
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Maria Farinha Formation (1)
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middle Paleocene
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Selandian (1)
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Nacimiento Formation (1)
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upper Paleocene (2)
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Paleocene-Eocene Thermal Maximum (1)
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Wilcox Group (1)
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Sobral Formation (1)
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upper Tertiary (1)
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Vaqueros Formation (1)
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upper Cenozoic (5)
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Yakataga Formation (2)
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Dalradian (1)
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Mesozoic
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Cretaceous
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Blairmore Group (1)
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Comanchean
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Buda Limestone (1)
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Dakota Formation (3)
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Lower Cretaceous
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Agrio Formation (2)
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Albian
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upper Albian (2)
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Aptian (7)
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Inyan Kara Group (1)
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Yingcheng Formation (1)
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Middle Cretaceous (2)
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Qingshankou Formation (1)
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Upper Cretaceous
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Buda Limestone (1)
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Campanian (6)
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Cardium Formation (2)
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Cenomanian
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Dunvegan Formation (1)
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Coniacian (6)
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Eutaw Formation (1)
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Ferron Sandstone Member (1)
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Fruitland Formation (1)
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Gallup Sandstone (2)
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Gulfian
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Austin Chalk (1)
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Lance Formation (1)
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Maestrichtian
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upper Maestrichtian (3)
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Mesaverde Group (1)
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Moreno Formation (1)
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Ojo Alamo Sandstone (1)
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Pictured Cliffs Sandstone (1)
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Rosario Formation (1)
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Santonian (7)
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Senonian (10)
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Turonian
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upper Turonian (1)
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Yezo Group (1)
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Franciscan Complex (6)
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Great Valley Sequence (6)
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Jurassic
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Arapien Shale (1)
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Aztec Sandstone (2)
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Bazhenov Formation (1)
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Bonanza Group (1)
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Carmel Formation (1)
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Coast Range Ophiolite (3)
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Lower Jurassic
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Hettangian (1)
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Laberge Group (1)
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lower Liassic (1)
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middle Liassic (1)
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Pliensbachian (3)
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Sunrise Formation (1)
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Toarcian
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lower Toarcian (1)
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upper Liassic (3)
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Middle Jurassic
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Aalenian (3)
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Callovian (2)
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Upper Jurassic
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Arab Formation (2)
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Galice Formation (3)
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Hanifa Formation (2)
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Josephine Ophiolite (2)
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Kimmeridgian (2)
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Oxfordian (5)
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Portlandian (2)
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Smackover Formation (2)
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Sundance Formation (2)
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Swift Formation (1)
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Tithonian (5)
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-
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Kayenta Formation (1)
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lower Mesozoic (2)
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Navajo Sandstone (3)
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Newark Supergroup (1)
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Triassic
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Charlie Lake Formation (1)
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Lower Triassic
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Induan (1)
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Permian-Triassic boundary (3)
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Spathian (1)
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Middle Triassic
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Anisian (1)
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Doig Formation (1)
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Moenkopi Formation (2)
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Nicola Group (1)
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Red Peak Formation (1)
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Upper Triassic
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Baldonnel Formation (1)
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Carnian (4)
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Chinle Formation (1)
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Keuper (1)
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Norian (3)
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Pardonet Formation (1)
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Rhaetian (1)
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-
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Vaca Muerta Formation (4)
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Paleozoic
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Arbuckle Group (1)
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Bird Spring Formation (2)
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Cambrian
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Brigham Group (1)
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Conasauga Group (1)
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Lancara Formation (1)
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Lower Cambrian
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Poleta Formation (1)
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Zabriskie Quartzite (1)
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Middle Cambrian
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Bright Angel Shale (1)
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Flathead Sandstone (1)
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Tapeats Sandstone (1)
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Upper Cambrian
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Potsdam Sandstone (1)
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Carboniferous
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Albert Formation (1)
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Benxi Formation (1)
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Big Snowy Group (1)
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