Burgess Shale trilobite
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Fertile Matonia braunii with Victorian label (Pecopteris multicaulis Bean, Oolitic Shale, Gristhorpe Bay, Yorks).
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Septarian (limestone) nodule with calcite, Midlothian, TX
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Shale Stream with Hardwood Forest
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Harpoceras falcifer, 115 mm. Upper Lias, Bituminous shale, L Jurassic. Sandsend Whitby, N,Yorks, England.
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