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Platte County Wyoming (1)
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Sheridan County Wyoming (2)
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Sublette County Wyoming
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Sweetwater County Wyoming (2)
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Teapot Dome (2)
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Teton County Wyoming
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Jackson Hole (2)
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Washakie County Wyoming (7)
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Wind River Range (2)
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Wyoming Province (6)
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Yavapai Province (2)
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Yellowstone National Park (7)
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Wind River basin (9)
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commodities
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bitumens
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asphalt (1)
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brines (9)
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coal deposits (1)
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construction materials
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building stone (1)
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energy sources (30)
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fluorspar deposits (1)
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geothermal energy (4)
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metal ores
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base metals (3)
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bismuth ores (1)
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cobalt ores (3)
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copper ores (6)
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gold ores (5)
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iron ores (3)
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lead ores (2)
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lead-zinc deposits (1)
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molybdenum ores (4)
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niobium ores (2)
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polymetallic ores (1)
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rare earth deposits (6)
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silver ores (4)
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uranium ores (6)
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zinc ores (2)
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mineral deposits, genesis (15)
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mineral exploration (8)
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mineral resources (3)
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oil and gas fields (59)
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petroleum
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natural gas
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coalbed methane (1)
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phosphate deposits (1)
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potash (1)
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talc deposits (1)
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tight sands (3)
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water resources (3)
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elements, isotopes
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boron
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B-11/B-10 (1)
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carbon
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C-13/C-12 (30)
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C-14 (11)
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organic carbon (4)
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hydrogen
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D/H (1)
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tritium (1)
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isotope ratios (46)
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isotopes
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radioactive isotopes
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Al-26 (2)
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Be-10 (6)
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C-14 (11)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (3)
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Pb-208/Pb-204 (3)
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tritium (1)
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stable isotopes
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Ar-36 (1)
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B-11/B-10 (1)
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C-13/C-12 (30)
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D/H (1)
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Fe-56/Fe-54 (1)
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He-3 (1)
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Hf-177/Hf-176 (2)
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Kr-84 (1)
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Li-6 (1)
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Li-7 (1)
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N-15/N-14 (1)
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Nd-144/Nd-143 (3)
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Ne-20 (1)
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O-18 (1)
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O-18/O-16 (23)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (3)
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Pb-208/Pb-204 (3)
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S-34/S-32 (1)
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Sr-87/Sr-86 (11)
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Lu/Hf (2)
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metals
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actinides
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uranium (3)
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alkali metals
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lithium
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Li-6 (1)
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Li-7 (1)
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potassium (1)
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rubidium (1)
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sodium (1)
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alkaline earth metals
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barium (1)
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beryllium
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Be-10 (6)
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-
strontium
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Sr-87/Sr-86 (11)
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-
-
aluminum
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Al-26 (2)
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-
arsenic (2)
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copper (2)
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hafnium
-
Hf-177/Hf-176 (2)
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iron
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Fe-56/Fe-54 (1)
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lead
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (3)
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Pb-208/Pb-204 (3)
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nickel (1)
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niobium (1)
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precious metals (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (3)
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yttrium (1)
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titanium (1)
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vanadium (1)
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zinc (3)
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nitrogen
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N-15/N-14 (1)
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noble gases
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argon
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Ar-36 (1)
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helium
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He-3 (1)
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krypton
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Kr-84 (1)
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neon
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Ne-20 (1)
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-
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oxygen
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O-18 (1)
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O-18/O-16 (23)
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selenium (1)
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sulfur
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organic sulfur (1)
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S-34/S-32 (1)
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-
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fossils
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bacteria (2)
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borings (2)
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burrows (4)
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Chordata
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Vertebrata
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Agnatha (1)
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Pisces
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Chondrichthyes (2)
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Osteichthyes (1)
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Tetrapoda
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Amphibia
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Lissamphibia
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Anura (1)
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Caudata
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Urodela (1)
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Aves (1)
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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 (3)
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Cervidae
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Cervus
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Cervus elaphus (2)
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Rangifer (1)
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-
-
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Creodonta (1)
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Perissodactyla
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Ceratomorpha
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Rhinocerotidae (1)
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Hippomorpha
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Equidae
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Equus (1)
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-
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Primates (1)
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Proboscidea
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Elephantoidea
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Elephantidae
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Mammuthus
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Mammuthus columbi (1)
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-
-
-
Mastodontoidea
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Mammutidae
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Mammut (1)
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-
-
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Rodentia
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Castoridae (1)
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-
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Metatheria
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Marsupialia
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Polyprotodontia
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Didelphidae (1)
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-
-
-
-
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Reptilia
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Anapsida
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Testudines (2)
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Diapsida
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Archosauria
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Crocodilia (2)
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dinosaurs
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Ornithischia
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Ankylosauria (1)
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Ceratopsia
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Ceratopsidae (1)
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-
Ornithopoda
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Hadrosauridae (1)
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-
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Saurischia
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Theropoda (1)
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-
-
Thecodontia
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Aetosauria (1)
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-
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (2)
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-
-
-
-
-
-
-
-
cyanobacteria (1)
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fossil man (1)
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fungi (2)
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ichnofossils
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Cruziana (1)
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Glossifungites (1)
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Nereites (1)
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Skolithos (1)
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Zoophycos (3)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Malacostraca (1)
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Ostracoda (3)
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Insecta (2)
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Trilobitomorpha
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Trilobita (1)
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-
-
Brachiopoda
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Articulata
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Rhynchonellida (1)
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Spiriferida
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Spiriferidina
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Spiriferidae (1)
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-
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Terebratulida (1)
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Inarticulata (2)
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Bryozoa (1)
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Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (1)
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-
-
-
Mollusca
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Bivalvia
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Heterodonta
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Veneroida
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Carditidae (1)
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Palaeoheterodonta
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Unionidae (1)
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-
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Cephalopoda
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Ammonoidea
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Ammonites (3)
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Baculites (1)
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Scaphites (2)
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Nautiloidea (1)
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Gastropoda (5)
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Scaphopoda (1)
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Porifera
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Stromatoporoidea
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Amphipora (1)
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-
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Protista
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Foraminifera
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Fusulinina
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Fusulinidae
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Triticites (1)
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-
-
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Radiolaria (1)
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Vermes
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scolecodonts (1)
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-
-
microfossils
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Charophyta (2)
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Conodonta (11)
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Fusulinina
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Fusulinidae
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Triticites (1)
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-
-
scolecodonts (1)
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palynomorphs
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acritarchs (1)
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Dinoflagellata (3)
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megaspores (1)
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miospores
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pollen (11)
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-
-
Plantae
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algae
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Chlorophyta
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Charophyta (2)
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-
Chrysophyta (1)
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diatoms (1)
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nannofossils (1)
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-
Pteridophyta
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Lycopsida (1)
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-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (1)
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Monocotyledoneae
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Cyperaceae (1)
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-
-
Gymnospermae
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Coniferales (1)
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Pteridospermae
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Neuropteris (1)
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-
-
-
-
problematic fossils (1)
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tracks (2)
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-
geochronology methods
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(U-Th)/He (6)
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Ar/Ar (19)
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exposure age (1)
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fission-track dating (9)
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K/Ar (3)
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Lu/Hf (2)
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paleomagnetism (18)
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Pb/Pb (1)
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Re/Os (1)
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Sm/Nd (1)
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tephrochronology (5)
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thermochronology (9)
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thermoluminescence (1)
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tree rings (2)
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U/Pb (30)
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U/Th/Pb (4)
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uranium disequilibrium (2)
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geologic age
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Cenozoic
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middle Cenozoic (2)
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Quaternary
-
Holocene
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lower Holocene (1)
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middle Holocene (2)
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Neoglacial (1)
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upper Holocene (6)
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Pleistocene
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Lake Agassiz (1)
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lower Pleistocene (1)
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middle Pleistocene (1)
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upper Pleistocene
-
Weichselian
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upper Weichselian
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Younger Dryas (2)
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-
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Wisconsinan
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upper Wisconsinan (1)
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-
-
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upper Quaternary
-
Bull Lake Glaciation (1)
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Pinedale Glaciation (1)
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-
-
Siwalik System (1)
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Tertiary
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Arikareean (1)
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Challis Volcanics (3)
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Florissant Lake Beds (1)
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John Day Formation (2)
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lower Tertiary (1)
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Muddy Creek Formation (1)
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Neogene
-
Bidahochi Formation (1)
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Browns Park Formation (1)
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Miocene
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Columbia River Basalt Group (4)
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Grande Ronde Basalt (2)
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lower Miocene
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Kasauli Series (1)
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-
middle Miocene (1)
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Saddle Mountains Basalt (2)
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Stevens Sandstone (2)
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Temblor Formation (1)
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upper Miocene
-
Puente Formation (1)
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-
Wanapum Basalt (1)
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-
Ogallala Formation (1)
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Pliocene
-
lower Pliocene
-
Zanclean (1)
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-
-
-
Paleogene
-
Dongying Formation (1)
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Eocene
-
Absaroka Supergroup (2)
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Bridgerian (1)
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Clarno Formation (1)
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Flournoy Formation (1)
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Green River Formation (4)
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Lake Gosiute (1)
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lower Eocene
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Wasatchian (3)
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Willwood Formation (12)
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-
middle Eocene
-
Tyee Formation (1)
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-
Subathu Formation (1)
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Umpqua Formation (1)
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upper Eocene
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Chadronian (1)
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-
-
Hanna Formation (4)
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Oligocene
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (5)
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-
upper Paleocene
-
Clarkforkian (1)
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Tiffanian (1)
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-
-
Paleocene-Eocene Thermal Maximum (2)
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Wasatch Formation (3)
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Wilcox Group (1)
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-
Shahejie Formation (1)
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-
upper Cenozoic (3)
-
-
Coal Measures (1)
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Laurentide ice sheet (1)
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Mesozoic
-
Cretaceous
-
Blairmore Group (6)
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Colorado Group (2)
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Dakota Formation (2)
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Lower Cretaceous
-
Albian
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lower Albian (1)
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-
Aptian (1)
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Berriasian (1)
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Burro Canyon Formation (1)
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Cadomin Formation (5)
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Clearwater Formation (1)
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Gething Formation (1)
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Kootenay Formation (2)
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Mannville Group (10)
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McMurray Formation (9)
-
-
Mancos Shale (5)
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Middle Cretaceous (3)
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Potomac Group (1)
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Upper Cretaceous
-
Belly River Formation (2)
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Blackhawk Formation (1)
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Campanian
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Dinosaur Park Formation (2)
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lower Campanian (1)
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upper Campanian (3)
-
-
Cardium Formation (3)
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Castlegate Sandstone (1)
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Cenomanian
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lower Cenomanian (1)
-
-
Elkhorn Mountains Volcanics (1)
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Ferron Sandstone Member (1)
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Forbes Formation (1)
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Fox Hills Formation (5)
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Frontier Formation (4)
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Gulfian
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Eagle Ford Formation (1)
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-
Harebell Formation (1)
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Hell Creek Formation (2)
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K-T boundary (5)
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Lance Formation (1)
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Lewis Shale (1)
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Maestrichtian
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lower Maestrichtian (1)
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upper Maestrichtian (1)
-
-
Mesaverde Group (8)
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Milk River Formation (2)
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Montana Group (1)
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Moreno Formation (1)
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Niobrara Formation (2)
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Oldman Formation (2)
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Pierre Shale (7)
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Prince Creek Formation (1)
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Santonian (3)
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Senonian (15)
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Tununk Member (1)
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Two Medicine Formation (1)
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Wahweap Formation (1)
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Williams Fork Formation (6)
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-
Viking Formation (1)
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-
Franciscan Complex (4)
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Glen Canyon Group (1)
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Great Valley Sequence (4)
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Jurassic
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Coast Range Ophiolite (1)
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Fernie Formation (6)
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Lower Jurassic
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Hettangian (1)
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lower Liassic (1)
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middle Liassic (1)
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Nordegg Member (2)
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Pliensbachian (2)
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-
Middle Jurassic (2)
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San Rafael Group (1)
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Twin Creek Limestone (1)
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Upper Jurassic
-
Arab Formation (1)
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Entrada Sandstone (1)
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Galice Formation (3)
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Josephine Ophiolite (2)
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Kimmeridgian
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upper Kimmeridgian (1)
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-
Morrison Formation (5)
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Oxfordian (2)
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Stump Formation (1)
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Sundance Formation (3)
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Swift Formation (1)
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-
-
Mist Mountain Formation (4)
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Navajo Sandstone (1)
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Triassic
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Lower Triassic
-
Griesbachian (1)
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Permian-Triassic boundary (2)
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-
Middle Triassic
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Anisian (1)
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Doig Formation (3)
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-
Moenkopi Formation (2)
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Montney Formation (1)
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Upper Triassic
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Carnian
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Ischigualasto Formation (1)
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-
Chinle Formation (2)
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Sag River Sandstone (1)
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-
-
-
Paleozoic
-
Berea Sandstone (1)
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Cambrian
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Lower Cambrian
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Gog Group (1)
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-
Middle Cambrian
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Flathead Sandstone (1)
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-
Upper Cambrian
-
Mount Simon Sandstone (1)
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Pilgrim Formation (1)
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Steptoean (1)
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-
-
Carboniferous
-
Amsden Formation (1)
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Mississippian
-
Barnett Shale (1)
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Charles Formation (1)
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Leadville Formation (1)
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Lower Mississippian
-
Fort Payne Formation (1)
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Kinderhookian
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Banff Formation (1)
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-
Lodgepole Formation (3)
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Pocono Formation (1)
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-
Madison Group (7)
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Mission Canyon Limestone (3)
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Upper Mississippian
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Chesterian (2)
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Greenbrier Limestone (1)
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Serpukhovian (1)
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-
-
Pennsylvanian
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Conemaugh Group (1)
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Lower Pennsylvanian
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Bashkirian (1)
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Morrowan (1)
-
-
Middle Pennsylvanian
-
Allegheny Group (1)
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Atokan (1)
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Desmoinesian (1)
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Moscovian (1)
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Paradox Formation (1)
-
-
Minturn Formation (3)
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Monongahela Group (1)
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Upper Pennsylvanian
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Gzhelian (1)
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Kasimovian (1)
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Missourian (1)
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Virgilian
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Douglas Group (1)
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Lecompton Limestone (1)
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Oread Limestone (1)
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Shawnee Group (1)
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Wabaunsee Group (1)
-
-
-
-
-
Chattanooga Shale (4)
-
Deadwood Formation (3)
-
Devonian
-
Beaverhill Lake Group (7)
-
Keg River Formation (8)
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Lower Devonian
-
Oriskany Sandstone (7)
-
-
Middle Devonian
-
Eifelian (2)
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Elk Point Group (5)
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Givetian
-
Horn Plateau Formation (1)
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upper Givetian (1)
-
-
Marcellus Shale (2)
-
Nahanni Formation (1)
-
Onondaga Limestone (2)
-
Prairie Evaporite (6)
-
Sulphur Point Formation (1)
-
Winnipegosis Formation (2)
-
-
Miette Complex (1)
-
Millboro Shale (1)
-
Slave Point Formation (3)
-
Swan Hills Formation (9)
-
Upper Devonian
-
Birdbear Formation (1)
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Famennian
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Wabamun Group (2)
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-
Frasnian
-
Leduc Formation (5)
-
-
Grosmont Formation (2)
-
Nisku Formation (2)
-
Ohio Shale (1)
-
Palliser Formation (1)
-
-
Waterways Formation (3)
-
-
Dunkard Group (1)
-
Exshaw Formation (7)
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Ishbel Group (4)
-
lower Paleozoic
-
Chopawamsic Formation (1)
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Wilmington Complex (1)
-
-
Maroon Formation (4)
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Minnelusa Formation (1)
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New Albany Shale (1)
-
Ordovician
-
Lexington Limestone (1)
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Lower Ordovician
-
Manitou Formation (2)
-
-
Middle Ordovician (1)
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Trenton Group (1)
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Upper Ordovician
-
Ashgillian (1)
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Hirnantian (1)
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Red River Formation (1)
-
-
Utica Shale (1)
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Vinini Formation (1)
-
-
Permian
-
Guadalupian
-
Tansill Formation (1)
-
-
Lower Permian
-
Cisuralian
-
Artinskian (1)
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Asselian (1)
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Kungurian (1)
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Sakmarian (1)
-
-
Leonardian (1)
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Wolfcampian (2)
-
-
Middle Permian (1)
-
Phosphoria Formation (4)
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Ranger Canyon Formation (2)
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Upper Permian
-
Lopingian (1)
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Permian-Triassic boundary (2)
-
-
Wellington Formation (1)
-
Yates Formation (1)
-
-
Petersburg Granite (1)
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Road River Formation (1)
-
Sauk Sequence (2)
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Silurian
-
Clinch Sandstone (1)
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Lower Silurian (1)
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Middle Silurian
-
Clinton Group (1)
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Guelph Formation (1)
-
-
Upper Silurian
-
Salina Group (1)
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-
-
Supai Formation (1)
-
Tensleep Sandstone (4)
-
Tippecanoe Sequence (1)
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upper Paleozoic
-
Bakken Formation (5)
-
Kaskaskia Sequence (1)
-
-
Wissahickon Formation (1)
-
-
Phanerozoic (3)
-
Precambrian
-
Archean
-
Neoarchean (1)
-
-
Catoctin Formation (1)
-
Prichard Formation (1)
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Purcell System (3)
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upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
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Huronian (1)
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Mesoproterozoic
-
Belt Supergroup (4)
-
-
Miette Group (2)
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Neoproterozoic
-
Cryogenian (1)
-
-
Paleoproterozoic (7)
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Windermere System (1)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (4)
-
plutonic rocks
-
anorthosite (1)
-
diorites
-
quartz diorites (1)
-
tonalite (2)
-
trondhjemite (1)
-
-
gabbros (2)
-
granites
-
A-type granites (1)
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leucogranite (2)
-
-
granodiorites (4)
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monzodiorite (1)
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pegmatite (2)
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syenites (1)
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ultramafics
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peridotites (1)
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-
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porphyry
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vitrophyre (1)
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volcanic rocks
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andesites
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boninite (1)
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basalts
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flood basalts (2)
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mid-ocean ridge basalts (1)
-
-
pyroclastics
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ignimbrite (6)
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tuff (10)
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rhyodacites (1)
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rhyolites (3)
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trachytes (1)
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vitrophyre (1)
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-
-
ophiolite (3)
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volcanic ash (2)
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-
metamorphic rocks
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metamorphic rocks
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amphibolites (4)
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gneisses (5)
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impactites (1)
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metaigneous rocks
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metagabbro (1)
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metagranite (2)
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serpentinite (1)
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metasedimentary rocks
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metaconglomerate (1)
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metagraywacke (1)
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metapelite (3)
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metasomatic rocks
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serpentinite (1)
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metavolcanic rocks (1)
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migmatites
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anatexite (1)
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-
mylonites
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pseudotachylite (1)
-
-
quartzites (4)
-
schists
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greenstone (1)
-
-
-
ophiolite (3)
-
turbidite (6)
-
-
minerals
-
arsenates (2)
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arsenides (1)
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arsenites (1)
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carbonates
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aragonite (1)
-
bastnaesite (1)
-
calcite (8)
-
dolomite (8)
-
hydromagnesite (1)
-
magnesite (1)
-
parisite (1)
-
synchysite (1)
-
-
halides
-
chlorides
-
halite (4)
-
-
fluorides
-
bastnaesite (1)
-
fluorite (1)
-
parisite (1)
-
synchysite (1)
-
-
-
minerals (1)
-
native elements
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graphite (1)
-
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oxides
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hematite (1)
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iron oxides (2)
-
niobates
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pyrochlore (1)
-
-
uraninite (1)
-
-
phosphates
-
apatite (9)
-
monazite (4)
-
-
silicates
-
chain silicates
-
amphibole group
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clinoamphibole
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arfvedsonite (1)
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hornblende (3)
-
-
-
pyroxene group
-
clinopyroxene
-
jadeite (1)
-
spodumene (1)
-
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (3)
-
sanidine (3)
-
-
plagioclase
-
albite (1)
-
-
-
silica minerals
-
opal
-
opal-A (2)
-
opal-CT (2)
-
-
quartz (5)
-
-
-
orthosilicates
-
nesosilicates
-
andalusite (1)
-
garnet group (2)
-
titanite group
-
titanite (3)
-
-
zircon group
-
zircon (27)
-
-
-
sorosilicates
-
chevkinite group
-
perrierite (1)
-
-
lawsonite (1)
-
-
-
ring silicates
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tourmaline group (1)
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-
sheet silicates
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chlorite group
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chlorite (1)
-
-
clay minerals
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kaolinite (1)
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smectite (1)
-
-
illite (2)
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mica group
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biotite (4)
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muscovite (2)
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phengite (1)
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phlogopite (1)
-
-
-
-
sulfates
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anglesite (1)
-
anhydrite (8)
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barite (1)
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celestine (1)
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gypsum (1)
-
-
sulfides
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marcasite (1)
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molybdenite (1)
-
pyrite (2)
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pyrrhotite (1)
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-
-
Primary terms
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absolute age (67)
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Africa
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Southern Africa
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South Africa (1)
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-
-
Arctic Ocean
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Beaufort Sea (1)
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Norwegian Sea (1)
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Arctic region
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Greenland (1)
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Asia
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Arabian Peninsula
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Saudi Arabia (1)
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Baikal rift zone (1)
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Buryat Russian Federation (1)
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Far East
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China
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Bohaiwan Basin (1)
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Inner Mongolia China (1)
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Qinling Mountains (1)
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Shaanxi China (1)
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-
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Himalayas (1)
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Indian Peninsula
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India
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Himachal Pradesh India (1)
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-
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Middle East
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Iran
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Sanandaj-Sirjan Zone (1)
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Iraq (1)
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Zagros (1)
-
-
Uzbekistan (1)
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Yakutia Russian Federation (1)
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-
Atlantic Ocean
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North Atlantic
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Georges Bank (1)
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Gulf of Mexico (1)
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North Sea (1)
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-
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atmosphere (1)
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Australasia
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Australia
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Queensland Australia (1)
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Victoria Australia (1)
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Western Australia (1)
-
-
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bacteria (2)
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bibliography (5)
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biogeography (9)
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biography (3)
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bitumens
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asphalt (1)
-
-
boron
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B-11/B-10 (1)
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brines (9)
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Canada
-
Arctic Archipelago (1)
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Cold Lake (2)
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Eastern Canada
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Lancaster Sound (1)
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Maritime Provinces
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Nova Scotia
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Cape Breton Island
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Cape Breton County Nova Scotia
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Sydney Nova Scotia (1)
-
-
-
-
-
Newfoundland and Labrador
-
Newfoundland (1)
-
-
Ontario
-
Sudbury Ontario (1)
-
-
Quebec
-
Anticosti Island (1)
-
-
-
Elk Point Basin (4)
-
Mackenzie Mountains (2)
-
Nunavut
-
Ellesmere Island (2)
-
Lancaster Sound (1)
-
Sverdrup Basin (1)
-
-
Queen Elizabeth Islands
-
Ellesmere Island (2)
-
Sverdrup Basin (1)
-
-
Richardson Mountains (2)
-
Selwyn Mountains (1)
-
Western Canada
-
Alberta
-
Alberta Basin (7)
-
Athabasca Oil Sands (7)
-
Athabasca River (2)
-
Banff Alberta (1)
-
Calgary Alberta (1)
-
Dinosaur Provincial Park (2)
-
Edmonton Alberta (1)
-
Fort McMurray Alberta (1)
-
Jasper National Park (1)
-
Peace River Arch (8)
-
Red Deer River valley (1)
-
-
Athabasca Basin (6)
-
British Columbia
-
Fernie Basin (2)
-
Vancouver Island (3)
-
-
Canadian Cordillera (8)
-
Canadian Rocky Mountains (11)
-
Crowsnest Pass (2)
-
Manitoba (12)
-
Northwest Territories (14)
-
Saskatchewan
-
Saskatoon Saskatchewan (1)
-
-
Yukon Territory
-
Klondike (1)
-
Wernecke Mountains (1)
-
Whitehorse Yukon Territory (1)
-
-
-
-
carbon
-
C-13/C-12 (30)
-
C-14 (11)
-
organic carbon (4)
-
-
catalogs (1)
-
Cenozoic
-
middle Cenozoic (2)
-
Quaternary
-
Holocene
-
lower Holocene (1)
-
middle Holocene (2)
-
Neoglacial (1)
-
upper Holocene (6)
-
-
Pleistocene
-
Lake Agassiz (1)
-
lower Pleistocene (1)
-
middle Pleistocene (1)
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Younger Dryas (2)
-
-
-
Wisconsinan
-
upper Wisconsinan (1)
-
-
-
-
upper Quaternary
-
Bull Lake Glaciation (1)
-
Pinedale Glaciation (1)
-
-
-
Siwalik System (1)
-
Tertiary
-
Arikareean (1)
-
Challis Volcanics (3)
-
Florissant Lake Beds (1)
-
John Day Formation (2)
-
lower Tertiary (1)
-
Muddy Creek Formation (1)
-
Neogene
-
Bidahochi Formation (1)
-
Browns Park Formation (1)
-
Miocene
-
Columbia River Basalt Group (4)
-
Grande Ronde Basalt (2)
-
lower Miocene
-
Kasauli Series (1)
-
-
middle Miocene (1)
-
Saddle Mountains Basalt (2)
-
Stevens Sandstone (2)
-
Temblor Formation (1)
-
upper Miocene
-
Puente Formation (1)
-
-
Wanapum Basalt (1)
-
-
Ogallala Formation (1)
-
Pliocene
-
lower Pliocene
-
Zanclean (1)
-
-
-
-
Paleogene
-
Dongying Formation (1)
-
Eocene
-
Absaroka Supergroup (2)
-
Bridgerian (1)
-
Clarno Formation (1)
-
Flournoy Formation (1)
-
Green River Formation (4)
-
Lake Gosiute (1)
-
lower Eocene
-
Wasatchian (3)
-
Willwood Formation (12)
-
-
middle Eocene
-
Tyee Formation (1)
-
-
Subathu Formation (1)
-
Umpqua Formation (1)
-
upper Eocene
-
Chadronian (1)
-
-
-
Hanna Formation (4)
-
Oligocene
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (5)
-
-
upper Paleocene
-
Clarkforkian (1)
-
Tiffanian (1)
-
-
-
Paleocene-Eocene Thermal Maximum (2)
-
Wasatch Formation (3)
-
Wilcox Group (1)
-
-
Shahejie Formation (1)
-
-
upper Cenozoic (3)
-
-
Chordata
-
Vertebrata
-
Agnatha (1)
-
Pisces
-
Chondrichthyes (2)
-
Osteichthyes (1)
-
-
Tetrapoda
-
Amphibia
-
Lissamphibia
-
Anura (1)
-
Caudata
-
Urodela (1)
-
-
-
-
Aves (1)
-
Mammalia
-
Theria
-
Eutheria
-
Artiodactyla
-
Ruminantia
-
Bovidae
-
Bison (3)
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-
-
-
-
-
-
-
-
-
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