| 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 | Early Liassic | E.Germany | Krutzsch,W. On some Liassic "Angiospermide" sporomorphs. | 1955 | |
| original | Liassic | Germany | Pflug,H.D. Origin and development of the angiosperm pollen in earth history | 1953 |