| 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 | Middle Pennsylvanian | Indiana | Dimichele,W.A. et al. Lycopods of Pennsylvanian age Coals | 1979 | |
| details | Carboniferous | USA | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |