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Jeletzkytes nebrascensis, cretacico,Dakota,USA

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Douvilleiceras mammillatum,Albiense,Mahajanga, Madagascar

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Kosmoceras s.p ,calloviense, Rusia

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DSC01652

DSC01656

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Solenopleuropsis torali,cambrico medio,Barrios de Luna,leon

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DSC01751

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