Sycamore
Platanus
Paleobiology
Paleobiology
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Katsura Tree
Cercidiphyllum
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Fossil Blue-green Algae
Girvanella
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Alder
Alnus harneyana
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Soapberry
Cardiospermum coloradensis
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Seed Fern
Thinnfeldia talbragarensis
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Fossil Birch
Betula
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Dawn Redwood
Metasequoia occidentalis
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Fossil Perch-like Fish
Mioplosus labracoides
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Freshwater Snail
Viviparus
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Freshwater Snail
Viviparus
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Freshwater Snail
Viviparus