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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 B | W.Germany(N.Rhine) | Potonie,R. et al. The sporae dispersae of the Ruhr Carboniferous, their morphography and stratigraphy with reviews of species of other areas. Part 1. | 1955 | |
| details | Westphalian C | W.Germany(Rhineland) | Potonie,R. et al. The sporae dispersae of the Ruhr Carboniferous, their morphography and stratigraphy with reviews of species of other areas. Part 1. | 1955 |