| 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 | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 | 1958 | |
| details | Keuper | W.Germany | Leschik,G. Spore stratigraphy in the Permian and Triassic. | 1958 | |
| original | Keuper | Switzerland | Leschik,G. The Keuper flora of Neuewelt near Basel.2. TheIso and microspores. | 1955 |