| 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 | Hettangian | Toarcian | USSR(Kazakh SSR) | Buvalkin,A.K. et al. Jurassic deposits of the Sugandinsk Coalfields in the Kendyktas Mountains | 1981 |
| details | Middle Triassic | China(Shandong) | Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 2: The Mezozoic Spores and Pollen. | 2000 |