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finnchaga: trilobiitin_silma_tarkkailee
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finnchaga: Mucrospirifer_thedfordensis
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finnchaga: Rugosa_coral_fossil
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finnchaga: trilobiitti_1
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finnchaga: trilobiitti_2
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finnchaga: pääjalkainen
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finnchaga: simpukka_fossiili
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finnchaga: fossiili_irlanti
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finnchaga: drumheller_ammoniittipala
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finnchaga: fossiili-1
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finnchaga: fossiili-2
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finnchaga: fossiili-3
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finnchaga: Cross-section detail of dinosaur bone
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finnchaga: Drumheller dinosaur thinsection
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finnchaga: More old ragged bone...
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finnchaga: Thinning it down...