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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 | Late Westphalian A | Westphalian C | Wales(Glamorgan) | Sullivan,H.J. Distribution of miospores through coals and shales of the Coal Measures sequence exposed in Wernddu Claypit Caerphilly, (South Wales). | 1962 |
| details | Mississippian | Worldwide | Sullivan,H.J. Regional differences in Mississippian spore assemblages. | 1967 |