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List of fossiliferous stratigraphic units in
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179:"Fossilworks: Gateway to the Paleobiology Database"
177:Various Contributors to the Paleobiology Database.
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165:Paleontology in Montana
138:Earth sciences portal
57:Fort Union Formation
152:Paleontology portal
113:dating back to the
28:Stratigraphic range
103:geologic formation
324:Paleogene Montana
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313:Categories
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263:Paleogene
213:formation
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107:Montana
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.