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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 | Stephanian | Westphalian D | Kansas | Peppers,R.A. Palynology of the Lost Branch Formation of Kansas: New insight the major floral transition at the Middle - Upper Pennsylvanian boundary. | 1997 |
| details | Aptian | Albian | Mongolian Republic | Ichinnorov,N. Discovery of Early Cretaceous pollen and spores from the Shaazan Govi area, Southeastern Mongolia. | 2003 |