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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 | Early Stephanian | Middle Permian | Europe | Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. | 1964 |
| details | Late Stephanian | Roadian | Europe | Alpern,B. The stratigraphic palynology of the Stephanian and the Permian. | 1964 |
| details | Stephanian | Permian | Nd | Alpern,B. Stratigraphic palynology of the Stephanian and Permian. | 1964 |