| 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 | Late Westphalian C | Belgium | Pi©rart,P. Palynology and stratigraphy of the Neeroeteren Zone, (Upper Westphalian C), in the Belgian Kempen. | 1958 | |
| details | Namurian | Westphalian | Belgium | Pi©rart,P. Utilization of megaspores in Coal stratigraphy. | 1958 |
| details | Westphalian A | Belgium | Pi©rart,P. Preliminary note on the Size of fossil dispersed spores. | 1974 | |
| details | Westphalian A | Westphalian C | Belgium | Pi©rart,P. Synopsis of megaspores of the Belgian Westphalian | 1963 |