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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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East Africa
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Tanzania
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Olduvai Gorge (1)
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Asia
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Far East
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China
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Hebei China (1)
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Australasia
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Australia
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South Australia (1)
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Canada
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Western Canada
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Alberta
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Medicine Hat Alberta (1)
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Central America
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Belize (1)
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Europe
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Southern Europe
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Iberian Peninsula
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Spain
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Madrid Basin (1)
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Madrid Spain (1)
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Italy (1)
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Mexico
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Chihuahua Mexico (1)
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Guanajuato Mexico (1)
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Jalisco Mexico (1)
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Oaxaca Mexico (1)
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North America (2)
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South America
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Argentina
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Buenos Aires Argentina (1)
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Pampas (1)
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Bolivia (1)
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United States
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Atlantic Coastal Plain (1)
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California
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Los Angeles County California
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Rancho La Brea (3)
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Madera County California (1)
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Florida
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Citrus County Florida (1)
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Hillsborough County Florida (1)
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Marion County Florida (1)
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Idaho (1)
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Nevada (1)
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Oregon
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Grant County Oregon (1)
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Wheeler County Oregon (1)
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South Carolina
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Dorchester County South Carolina (1)
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Texas
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Bexar County Texas (1)
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Edwards Plateau (1)
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Washington (1)
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elements, isotopes
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carbon
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C-13/C-12 (4)
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C-14 (2)
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isotope ratios (5)
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isotopes
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radioactive isotopes
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C-14 (2)
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stable isotopes
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C-13/C-12 (4)
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O-18/O-16 (2)
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oxygen
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O-18/O-16 (2)
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fossils
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Chordata
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Vertebrata
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Tetrapoda
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Mammalia
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Bovidae
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Bison (1)
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Cervidae (1)
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Tylopoda
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Camelidae (2)
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Suiformes
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Suidae (1)
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Carnivora
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Fissipeda
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Canidae
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Canis (3)
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Felidae
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Panthera (2)
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Smilodon (9)
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Hyaenidae (4)
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Mustelidae (1)
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Ursidae (4)
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Edentata
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Xenarthra (1)
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Perissodactyla
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Hippomorpha
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Equidae
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Equus (3)
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Proboscidea
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Elephantoidea
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Elephantidae
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Mammuthus (1)
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Metatheria
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Marsupialia
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Diprotodonta
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Macropodidae (1)
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Reptilia
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Diapsida
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Archosauria
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dinosaurs
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Saurischia
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Theropoda (1)
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coprolites (1)
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ichnofossils (1)
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geologic age
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Cenozoic
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Quaternary
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Pleistocene
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Irvingtonian (2)
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lower Pleistocene (1)
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upper Pleistocene
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Rancholabrean (2)
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Tertiary
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John Day Formation (1)
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Neogene
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Miocene
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Vallesian (1)
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Pliocene (2)
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Paleogene
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Oligocene (2)
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Mesozoic
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Cretaceous
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Comanchean
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Edwards Formation (1)
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Lower Cretaceous
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Edwards Formation (1)
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Upper Cretaceous (1)
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Jurassic
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Upper Jurassic (1)
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minerals
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phosphates (1)
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Primary terms
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absolute age (2)
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Africa
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East Africa
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Tanzania
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Olduvai Gorge (1)
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Asia
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Far East
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China
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Hebei China (1)
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-
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Australasia
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Australia
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South Australia (1)
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-
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biogeography (3)
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Canada
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Western Canada
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Alberta
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Medicine Hat Alberta (1)
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carbon
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C-13/C-12 (4)
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C-14 (2)
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Cenozoic
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Quaternary
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Pleistocene
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Irvingtonian (2)
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lower Pleistocene (1)
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upper Pleistocene
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Rancholabrean (2)
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Tertiary
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John Day Formation (1)
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Neogene
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Miocene
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Vallesian (1)
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Pliocene (2)
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Paleogene
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Oligocene (2)
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Central America
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Belize (1)
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Chordata
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Vertebrata
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Tetrapoda
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Mammalia
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Theria
-
Eutheria
-
Artiodactyla
-
Ruminantia
-
Bovidae
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Bison (1)
-
-
Cervidae (1)
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Tylopoda
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Camelidae (2)
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-
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Suiformes
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Suidae (1)
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-
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Carnivora
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Fissipeda
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Canidae
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Canis (3)
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Felidae
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Panthera (2)
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Smilodon (9)
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Hyaenidae (4)
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Mustelidae (1)
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Ursidae (4)
-
-
-
Edentata
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Xenarthra (1)
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-
Perissodactyla
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Hippomorpha
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Equidae
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Equus (3)
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-
-
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Proboscidea
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Elephantoidea
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Elephantidae
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Mammuthus (1)
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-
-
-
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Metatheria
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Marsupialia
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Diprotodonta
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Macropodidae (1)
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-
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Reptilia
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Diapsida
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Archosauria
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dinosaurs
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Saurischia
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Theropoda (1)
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-
-
-
-
-
-
-
-
coprolites (1)
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ecology (1)
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Europe
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Southern Europe
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Iberian Peninsula
-
Spain
-
Madrid Basin (1)
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Madrid Spain (1)
-
-
-
Italy (1)
-
-
-
geochemistry (1)
-
ichnofossils (1)
-
isotopes
-
radioactive isotopes
-
C-14 (2)
-
-
stable isotopes
-
C-13/C-12 (4)
-
O-18/O-16 (2)
-
-
-
Mesozoic
-
Cretaceous
-
Comanchean
-
Edwards Formation (1)
-
-
Lower Cretaceous
-
Edwards Formation (1)
-
-
Upper Cretaceous (1)
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-
Jurassic
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Upper Jurassic (1)
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-
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Mexico
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Chihuahua Mexico (1)
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Guanajuato Mexico (1)
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Jalisco Mexico (1)
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Oaxaca Mexico (1)
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-
North America (2)
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oxygen
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O-18/O-16 (2)
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paleoclimatology (1)
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paleoecology (10)
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paleontology (1)
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sedimentary rocks
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carbonate rocks
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limestone (1)
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South America
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Argentina
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Buenos Aires Argentina (1)
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Pampas (1)
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-
Bolivia (1)
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stratigraphy (2)
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United States
-
Atlantic Coastal Plain (1)
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California
-
Los Angeles County California
-
Rancho La Brea (3)
-
-
Madera County California (1)
-
-
Florida
-
Citrus County Florida (1)
-
Hillsborough County Florida (1)
-
Marion County Florida (1)
-
-
Idaho (1)
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Nevada (1)
-
Oregon
-
Grant County Oregon (1)
-
Wheeler County Oregon (1)
-
-
South Carolina
-
Dorchester County South Carolina (1)
-
-
Texas
-
Bexar County Texas (1)
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Edwards Plateau (1)
-
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Washington (1)
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weathering (1)
-
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sedimentary rocks
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sedimentary rocks
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carbonate rocks
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limestone (1)
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-
-
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sedimentary structures
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coprolites (1)
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Smilodon fatalis
Late Pleistocene records of felids from Medicine Hat, Alberta, including the first Canadian record of the sabre-toothed cat Smilodon fatalis
Smilodon fatalis , ROM 71566, partial right metacarpal V in (A) dorsal, (B)...
Smilodon fatalis , ROM 71566, partial right metacarpal V in (A) dorsal, (B)...
Map of North America with the estimated range of Smilodon fatalis in grey...
Dining in the Pleistocene—Who's on the menu?
Pleistocene mammals from Extinction Cave, Belize
Geology and vertebrate paleontology of Tule Springs Fossil Beds National Monument, Nevada, USA
ABSTRACT Tule Springs Fossil Beds National Monument (TUSK) preserves 22,650 acres of the upper Las Vegas Wash in the northern Las Vegas Valley, Nevada, USA. TUSK is home to extensive and stratigraphically complex groundwater discharge (GWD) deposits, called the Las Vegas Formation, which represent springs and desert wetlands that covered much of the valley during the late Quaternary. The GWD deposits record hydrologic changes that occurred here in a dynamic and temporally congruent response to abrupt climatic oscillations over the last ~300 ka (thousands of years). The deposits also entomb the Tule Springs Local Fauna (TSLF), one of the most significant late Pleistocene (Rancholabrean) vertebrate assemblages in the American Southwest. The TSLF is both prolific and diverse, and includes a large mammal assemblage dominated by Mammuthus columbi and Camelops hesternus. Two and possibly three distinct species of Equus, two species of Bison, Panthera atrox, Smilodon fatalis, Canis dirus, Megalonyx jeffersonii, and Nothrotheriops shastensis are also present, and newly recognized faunal components include micromammals, amphibians, snakes, and birds. Invertebrates, plant macrofossils, and pollen also occur in the deposits and provide important and complementary paleoenvironmental information. This field compendium highlights some of the classic stratigraphic sequences of the Las Vegas Formation within TUSK, emphasizes the significant hydrologic changes that occurred in the area during the recent geologic past, and examines the subsequent and repeated effect of rapid climate change on the local desert wetland ecosystem.
FIGURE 2 —Oxygen isotope values within saber-toothed species. A) Smilodon ...
FIGURE 1 —Canine tooth silhouettes of analyzed species. A) Panthera leo . ...
(A) Map of southern Alberta with major cities and rivers indicated. Medicin...
Growth differences in the saber-tooth of three felid species
Figure 8. Deformation grids showing similarity in patterns of skull shape ...
Figure 6. Species richness in theropod (Nemegt, Judith River, Morrison), e...
Morphological convergence of the prey-killing arsenal of sabertooth predators
Figure 7. Body size (log 10 ) distribution of hypercarnivorous species in...
Figure 2. Plot of δ 18 O vs. δ 13 C of teeth from South Carolina, United St...
Exploration of North American Quaternary geology at the La Brea Tar Pits (California, USA)
ABSTRACT On this one-day field trip, we will explore the profound scientific discoveries offered by the well-preserved fossil deposits in La Brea Tar Pits, California, USA. We will examine the complex late Quaternary ecosystems of southern California. Predators, like the saber-toothed cat, and large megafauna, like the Columbian mammoth, have provided ample data about mammal behavior over the last 50 thousand years. During the trip, we will explore the ongoing excavation and discuss various methodologies. Among other topics, we will decipher biodiversity, extinction patterns, and ecological interdependencies during prehistoric eras. We will also look at the significance and the implications for future scientific discovery.