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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 | Westphalian B | W.Germany(N.Rhine) | Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 | 1956 | |
| details | Late Carboniferous | W.Germany(N.Rhine) | Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. | 1954 | |
| details | Middle Pennsylvanian | Late Pennsylvanian | Illinois | Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. | 1954 |