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Geolocation
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Author - title
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Year
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| details | Early Pennsylvanian | Indiana | Wood,J.M. The morphology and relationships of Sigillarian fructifications from the Lower Pennsylvanian of Indiana. | 1957 | |
| details | Dinantian | Westphalian A | Poland | Zoldani,Z. Megaspores from the north-eastern part of the Upper Silesian Coal Basin. (In: Contributions to the Geology of the Silesian and Cracovian Regions.) | 1960 |