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 | Frasnian | Tournaisian | China | Gao,L. Late Devonian and Early Carboniferous miospore zonations and the boundary of Devonian - Carboniferous in China. | 1989 |
details | Devonian | USA | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |