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From
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To
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Geolocation
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Author - title
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Year
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| details | Tournaisian | Canada(Nova Scotia) | Barss,M.S. Carboniferous and Permian spores of Canada. | 1967 | |
| original | Tournaisian | Canada(Nova Scotia) | Playford,G. Miospores from the Mississippian Horton Group, eastern Canada. | 1963 |