| link
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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 | Mississippian | Worldwide | Sullivan,H.J. Regional differences in Mississippian spore assemblages. | 1967 | |
| details | Late Mississippian | Spitsbergen | Sullivan,H.J. Palynological evidence concerning the regional differentiation of Upper Mississippian floras | 1965 |