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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 | Visean | Namurian A | England | Neves,R. A review of some recent advances in the palynology of the Carboniferous | 1969 |
| original | Middle Kinderhookian | Missouri | Brown,D.D. Palynology of the Hannibal Formation, (Lower Mississippian), of northeast Missouri and western Illinois. | 1969 | |
| details | Tournaisian | Visean | England | Butterworth,M.A. et al. Lower Carboniferous spores from North-West England | 1967 |