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Cenozoic
Era: 65.5 Million Years to Present
Paleocene Epoch: 65.5-55.8 Million Years Ago
Paleocene Epoch: 65.5-55.8 Million Years Ago
 Paleocene Introduction |
 Colorado, USA |
 Montana, USA |
 North Dakota, USA |
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Sycamore Platanus sp. Denver Formation Paleocene South Platte River Quarry Denver, Colorado 20 cm x 15 cm |
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